yavascript.d.ts

// NOTE: This copy of yavascript.d.ts reflects what is in git.
// APIs may differ from what you have installed.
// Run `yavascript --print-types > yavascript.d.ts` to get the types
// corresponding to your specific `yavascript` binary.

// ===============
// ---------------
// YavaScript APIs
// ---------------
// ===============
/**
 * Prints help and usage text about the provided value, if any is available.
 */
declare var help: {
  /**
   * Prints help and usage text about the provided value, if any is available.
   */
  (value?: any): void;

  /**
   * Set the help text for the provided value to the provided string.
   *
   * If the value is later passed into the `help` function, the provided text
   * will be printed.
   */
  setHelpText: {
    /**
     * Set the help text for the provided value to the provided string.
     *
     * If the value is later passed into the `help` function, the provided text
     * will be printed.
     *
     * To set help text for the values `null` or `undefined`, `allowNullish`
     * must be `true`.
     */
    (value: object, text: string, allowNullish?: boolean): void;

    /**
     * Lazily sets the help text for the provided value using the provided
     * string-returning function.
     *
     * The first time help text is requested for the value, the string-returning
     * function will be called, and its result will be registered as the help
     * text for the value. Afterwards, the function will not be called again;
     * instead, it will re-use the text returned from the first time the
     * function was called.
     */
    lazy(value: object, getText: () => string): void;
  };
};

/** Info about the currently-running yavascript binary */
declare const yavascript: {
  /**
   * The version of the currently-running yavascript binary.
   *
   * Will be something formatted like one of these:
   * - "v0.0.7"
   * - "v0.1.3-alpha"
   * - "git-286a3a336849"
   * - "git-286a3a336849-dirty"
   *
   * Or, more formally: either a "V" version string or a "GIT" version string:
   * - "V" version strings start with the character 'v', followed by a semver
   *   version string, optionally followed by the character '-' and any
   *   arbitrary content afterwards.
   * - "GIT" version strings start with the prefix "git-", followed by the
   *   first 12 digits of a git commit SHA, optionally followed by the
   *   character '-' and any arbitrary content afterwards.
   */
  version: string;

  /** The processor architecture we're running on. */
  arch: "x86_64" | "arm64";

  /**
   * The version of the ecma262 standard supported by the currently-running yavascript binary.
   *
   * Will always be in the format "ES" + a year. Is never lower than ES2020.
   */
  ecmaVersion: string;

  /** The compilers yavascript uses internally to load files. */
  compilers: {
    js(
      code: string,
      options?: { filename?: string; expression?: boolean }
    ): string;

    tsx(
      code: string,
      options?: { filename?: string; expression?: boolean }
    ): string;

    ts(
      code: string,
      options?: { filename?: string; expression?: boolean }
    ): string;

    jsx(
      code: string,
      options?: { filename?: string; expression?: boolean }
    ): string;

    coffee(
      code: string,
      options?: { filename?: string; expression?: boolean }
    ): string;

    civet(
      code: string,
      options?: { filename?: string; expression?: boolean }
    ): string;

    autodetect(
      code: string,
      options?: { filename?: string; expression?: boolean }
    ): string;
  };
};

/**
 * An object representing the process's environment variables. You can read
 * from it to read environment variables, write into it to set environment
 * variables, and/or delete properties from it to unset environment variables.
 * Any value you write will be coerced into a string.
 */
declare const env: { [key: string]: string | undefined };

/**
 * Parse command line --flags into an object of flags and an array of
 * positional arguments. This function is opinionated; if it doesn't meet your
 * needs, you can parse the `scriptArgs` global manually.
 *
 * Flags `--like-this`, `--like_this`, or `--LIKE_THIS` get converted into
 * property names `likeThis` on the returned flags object.
 *
 * Flags like this: `-v` get converted into into property names like this: `v`
 * on the returned flags object.
 *
 * Anything that appears after `--` is considered a positional argument instead
 * of a flag. `--` is not present in the returned positional arguments Array.
 *
 * @param hints - An object whose keys are flag names (in camelCase) and whose values indicate what type to treat that flag as. Valid property values are `String`, `Boolean`, `Number`, and `Path`. `Path` will resolve relative paths into absolute paths for you. If no hints object is specified, `parseScriptArgs` will do its best to guess, based on the command-line args.
 * @param argv - An array containing the command line flags you want to parse. If unspecified, `scriptArgs.slice(2)` will be used (we slice 2 in order to skip the yavascript binary and script name). If you pass in an array here, it should only contain command-line flags, not the binary being called.
 *
 * @returns An object with three properties: `flags`, `args`, and `metadata`. `flags` is an object whose keys are camelCase flag names and whose values are strings, booleans, numbers, or `Path`s corresponding to the input command-line args. `args` is an Array of positional arguments, as found on the command-line. `metadata` contains information about what name and type the flags got mapped to.
 */
declare function parseScriptArgs(
  hints?: {
    [key: string]: typeof String | typeof Boolean | typeof Number | typeof Path;
  },
  args?: Array<string>
): {
  flags: { [key: string]: any };
  args: Array<string>;
  metadata: {
    keys: {
      [key: string]: string | undefined;
    };
    hints: {
      [key: string]: string | undefined;
    };
    guesses: {
      [key: string]: string | undefined;
    };
  };
};

/**
 * Read the contents of a file from disk.
 */
declare const readFile: {
  /**
   * Read the contents of a file from disk, as a UTF-8 string.
   */
  (path: string | Path): string;

  /**
   * Read the contents of a file from disk, as a UTF-8 string.
   */
  (path: string | Path, options: {}): string;

  /**
   * Read the contents of a file from disk, as a UTF-8 string.
   */
  (path: string | Path, options: { binary: false }): string;

  /**
   * Read the contents of a file from disk, as an ArrayBuffer.
   */
  (path: string | Path, options: { binary: true }): ArrayBuffer;
};

/**
 * Write the contents of a string or ArrayBuffer to a file.
 *
 * Strings are written using the UTF-8 encoding.
 */
declare function writeFile(
  path: string | Path,
  data: string | ArrayBuffer
): void;

/**
 * Function which returns true if the path points to a regular file.
 */
declare function isFile(path: string | Path): boolean;

/**
 * Function which returns true if the path points to a directory, or if the
 * path points to a symlink which points to a directory. Otherwise, it returns
 * false.
 */
declare function isDir(path: string | Path): boolean;

/**
 * Returns true if the path points to a symlink.
 */
declare function isLink(path: string | Path): boolean;

/**
 * Returns true if the resource at the provided path can be executed by the
 * current user.
 *
 * If nothing exists at that path, an error will be thrown.
 */
declare function isExecutable(path: string | Path): boolean;

/**
 * Returns true if the resource at the provided path can be read by the current
 * user.
 *
 * If nothing exists at that path, an error will be thrown.
 */
declare function isReadable(path: string | Path): boolean;

/**
 * Returns true if a resource at the provided path could be written to by the
 * current user.
 */
declare function isWritable(path: string | Path): boolean;

/**
 * Delete the file or directory at the specified path.
 *
 * If the directory isn't empty, its contents will be deleted, too.
 *
 * Provides the same functionality as the command `rm -rf`.
 */
declare function remove(path: string | Path): void;

/**
 * Returns true if a file or directory exists at the specified path.
 *
 * Provides the same functionality as the command `test -e`.
 */
declare function exists(path: string | Path): boolean;

/**
 * Options for {@link copy}.
 */
declare type CopyOptions = {
  /**
   * What to do when attempting to copy something into a location where
   * something else already exists.
   *
   * Defaults to "error".
   */
  whenTargetExists?: "overwrite" | "skip" | "error";

  /** Options which control logging. */
  logging?: {
    /**
     * If provided, this function will be called multiple times as `copy`
     * traverses the filesystem, to help you understand what's going on and/or
     * troubleshoot things. In most cases, it makes sense to use a logging
     * function here, like so:
     *
     * ```js
     * copy("./source", "./destination", {
     *   logging: { trace: console.log },
     * });
     * ```
     *
     * Defaults to the current value of {@link logger.trace}. `logger.trace`
     * defaults to a no-op function.
     */
    trace?: (...args: Array<any>) => void;

    /**
     * An optional, user-provided logging function to be used for informational
     * messages.
     *
     * Defaults to the current value of {@link logger.info}. `logger.info`
     * defaults to a function which writes to stderr.
     */
    info?: (...args: Array<any>) => void;
  };
};

/**
 * Copies a file or folder from one location to another.
 * Folders are copied recursively.
 *
 * Provides the same functionality as the command `cp -R`.
 */
declare function copy(
  from: string | Path,
  to: string | Path,
  options?: CopyOptions
): void;

/**
 * Rename the file or directory at the specified path.
 *
 * Provides the same functionality as the command `mv`.
 */
declare function rename(from: string | Path, to: string | Path): void;

/** An object that represents a filesystem path. */
declare class Path {
  /** The character used to separate path segments on this OS. */
  static readonly OS_SEGMENT_SEPARATOR: "/" | "\\";

  /**
   * The character used to separate entries within the PATH environment
   * variable on this OS.
   */
  static readonly OS_ENV_VAR_SEPARATOR: ":" | ";";

  /**
   * A list of suffixes that could appear in the filename for a program on the
   * current OS. For instance, on Windows, programs often end with ".exe".
   *
   * On Unix-like OSes, this is empty. On Windows, it's based on `env.PATHEXT`.
   */
  static readonly OS_PROGRAM_EXTENSIONS: ReadonlySet<string>;

  /** Split one or more path strings into an array of path segments. */
  static splitToSegments(inputParts: Array<string> | string): Array<string>;

  /**
   * Search the provided path string or strings for a path separator character,
   * and return it. If none is found, return `fallback`, which defaults to the
   * OS's path segment separator.
   */
  static detectSeparator<Fallback extends string | null = string>(
    input: Array<string> | string,
    // @ts-ignore might be instantiated with a different subtype
    fallback: Fallback = Path.OS_SEGMENT_SEPARATOR
  ): string | Fallback;

  /**
   * Concatenates the input path(s) and then resolves all non-leading `.` and
   * `..` segments.
   */
  static normalize(
    ...inputs: Array<string | Path | Array<string | Path>>
  ): Path;

  /**
   * Return whether the provided path is absolute; that is, whether it
   * starts with either `/` or a drive letter (ie `C:`).
   */
  static isAbsolute(path: string | Path): boolean;

  /**
   * An array of the path segments that make up this path.
   *
   * For `/tmp/foo.txt`, it'd be `["", "tmp", "foo.txt"]`.
   *
   * For `C:\something\somewhere.txt`, it'd be `["C:", "something", "somewhere.txt"]`.
   */
  segments: Array<string>;

  /**
   * The path separator that should be used to turn this path into a string.
   *
   * Will be either `/` or `\`.
   */
  separator: string;

  /** Create a new Path object using the provided input(s). */
  constructor(...inputs: Array<string | Path | Array<string | Path>>);

  /**
   * Create a new Path object using the provided segments and separator.
   *
   * If unspecified, `separator` defaults to `Path.OS_SEGMENT_SEPARATOR`.
   */
  static fromRaw(segments: Array<string>, separator?: string): Path;

  /**
   * Resolve all non-leading `.` and `..` segments in this path.
   */
  normalize(): Path;

  /**
   * Create a new Path by appending additional path segments onto the end of
   * this Path's segments.
   *
   * The returned path will use this path's separator.
   */
  concat(...other: Array<string | Path | Array<string | Path>>): Path;

  /**
   * Return whether this path is absolute; that is, whether it starts with
   * either `/`, `\`, or a drive letter (ie `C:`).
   */
  isAbsolute(): boolean;

  /**
   * Make a second Path object containing the same segments and separator as
   * this one.
   *
   * Note that although it contains the same segments, the new Path does not use
   * the same Array instance for segments as this one.
   */
  clone(): this;

  /**
   * Express this path relative to `dir`.
   *
   * @param dir - The directory to create a new path relative to.
   * @param options - Options that affect the resulting path.
   */
  relativeTo(
    dir: Path | string,
    options?: {
      /**
       * Defaults to false. When true, a leading `./` will be omitted from the
       * path, if present. Note that a leading `../` will never be omitted.
       */
      noLeadingDot?: boolean;
    }
  ): Path;

  /**
   * Turn this path into a string by joining its segments using its separator.
   */
  toString(): string;

  /**
   * Alias for `toString`; causes Path objects to be serialized as strings when
   * they (or an object referencing them) are passed into JSON.stringify.
   */
  toJSON(): string;

  /**
   * Return the final path segment of this path. If this path has no path
   * segments, the empty string is returned.
   */
  basename(): string;

  /**
   * Return the trailing extension of this path. The `options` parameter works
   * the same as the global `extname`'s `options` parameter.
   */
  extname(options?: { full?: boolean }): string;

  /**
   * Return a new Path containing all of the path segments in this one except
   * for the last one; ie. the path to the directory that contains this path.
   */
  dirname(): Path;

  /**
   * Return whether this path starts with the provided value, by comparing one
   * path segment at a time.
   *
   * The starting segments of this path must *exactly* match the segments in the
   * provided value.
   *
   * This means that, given two Paths A and B:
   *
   * ```
   *   A: Path { /home/user/.config }
   *   B: Path { /home/user/.config2 }
   * ```
   *
   * Path B does *not* start with Path A, because `".config" !== ".config2"`.
   */
  startsWith(value: string | Path | Array<string | Path>): boolean;

  /**
   * Return whether this path ends with the provided value, by comparing one
   * path segment at a time.
   *
   * The ending segments of this path must *exactly* match the segments in the
   * provided value.
   *
   * This means that, given two Paths A and B:
   *
   * ```
   *   A: Path { /home/1user/.config }
   *   B: Path { user/.config }
   * ```
   *
   * Path A does *not* end with Path B, because `"1user" !== "user"`.
   */
  endsWith(value: string | Path | Array<string | Path>): boolean;

  /**
   * Return the path segment index at which `value` appears in this path, or
   * `-1` if it doesn't appear in this path.
   *
   * @param value - The value to search for. If the value contains more than one path segment, the returned index will refer to the location of the value's first path segment.
   * @param fromIndex - The index into this path's segments to begin searching at. Defaults to `0`.
   */
  indexOf(
    value: string | Path | Array<string | Path>,
    fromIndex?: number | undefined
  ): number;

  /**
   * Return whether `value` appears in this path.
   *
   * @param value - The value to search for.
   * @param fromIndex - The index into this path's segments to begin searching at. Defaults to `0`.
   */
  includes(
    value: string | Path | Array<string | Path>,
    fromIndex?: number | undefined
  ): boolean;

  /**
   * Return a new Path wherein the segments in `value` have been replaced with
   * the segments in `replacement`. If the segments in `value` are not present
   * in this path, a clone of this path is returned.
   *
   * Note that only the first match is replaced.
   *
   * @param value - What should be replaced
   * @param replacement - What it should be replaced with
   */
  replace(
    value: string | Path | Array<string | Path>,
    replacement: string | Path | Array<string | Path>
  ): Path;

  /**
   * Return a new Path wherein all occurrences of the segments in `value` have
   * been replaced with the segments in `replacement`. If the segments in
   * `value` are not present in this path, a clone of this path is returned.
   *
   * @param value - What should be replaced
   * @param replacement - What it should be replaced with
   */
  replaceAll(
    value: string | Path | Array<string | Path>,
    replacement: string | Path | Array<string | Path>
  ): Path;

  /**
   * Return a copy of this path but with the final segment replaced with `replacement`
   *
   * @param replacement - The new final segment(s) for the returned Path
   */
  replaceLast(replacement: string | Path | Array<string | Path>): Path;
}

/**
 * The absolute path to the currently-executing file (whether script or module).
 *
 * Behaves the same as in Node.js, except that it's also present within ES
 * modules.
 *
 * Example: `/home/suchipi/some-folder/some-file.js`
 */
declare var __filename: string;

/**
 * The absolute path to the directory containing the currently-executing file.
 *
 * Behaves the same as in Node.js, except that it's also present within ES
 * modules.
 *
 * Example: `/home/suchipi/some-folder`
 */
declare var __dirname: string;

/**
 * Return the last component of a path string.
 *
 * Provides the same functionality as the unix binary of the same name.
 */
declare function basename(path: string | Path): string;

/**
 * Reads the contents of one or more files from disk as either one UTF-8 string
 * or one ArrayBuffer.
 */
declare const cat: {
  /**
   * Read the contents of one or more files from disk, as one UTF-8 string.
   */
  (paths: string | Path | Array<string | Path>): string;

  /**
   * Read the contents of one or more files from disk, as one UTF-8 string.
   */
  (paths: string | Path | Array<string | Path>, options: {}): string;

  /**
   * Read the contents of one or more files from disk, as one UTF-8 string.
   */
  (
    paths: string | Path | Array<string | Path>,
    options: { binary: false }
  ): string;

  /**
   * Read the contents of one or more files from disk, as one ArrayBuffer.
   */
  (
    paths: string | Path | Array<string | Path>,
    options: { binary: true }
  ): ArrayBuffer;
};

/**
 * Change the process's current working directory to the specified path. If no
 * path is specified, moves to the user's home directory.
 *
 * Provides the same functionality as the shell builtin of the same name.
 */
declare function cd(path?: string | Path): void;

/** A string representing who a permission applies to. */
declare type ChmodPermissionsWho =
  | "user"
  | "group"
  | "others"
  | "all"
  | "u"
  | "g"
  | "o"
  | "a"
  | "ug"
  | "go"
  | "uo";

/** A string representing the access level for the given permission. */
declare type ChmodPermissionsWhat =
  | "read"
  | "write"
  | "execute"
  | "readwrite"
  | "none"
  | "full"
  | "r"
  | "w"
  | "x"
  | "rw"
  | "rx"
  | "wx"
  | "rwx";

/**
 * Set the permission bits for the specified file.
 *
 * @param permissions The permission bits to set. This can be a number, a string containing an octal number, or an object.
 * @param path The path to the file.
 */
declare function chmod(
  permissions:
    | number
    | string
    | Record<ChmodPermissionsWho, ChmodPermissionsWhat>,
  path: string | Path
): void;

/**
 * Removes the final component from a path string.
 *
 * Provides the same functionality as the unix binary of the same name.
 */
declare function dirname(path: string | Path): Path;

/**
 * Print one or more values to stdout.
 */
declare const echo: typeof console.log;

/**
 * Exit the yavascript process.
 *
 * Provides the same functionality as the shell builtin of the same name.
 *
 * If exit is called with an argument, that argument is used as the exit code.
 * Otherwise, `exit.code` is used, which defaults to 0.
 *
 * `exit.code` will also be used as the exit status code for the yavascript
 * process if the process exits normally.
 */
declare const exit: {
  (code?: number): never;
  code: number;
};

/**
 * Returns the file extension of the file at a given path.
 *
 * If the file has no extension (eg `Makefile`, etc), then `''` will be returned.
 *
 * Pass `{ full: true }` to get compound extensions, eg `.d.ts` or `.test.js` instead of just `.ts`/`.js`.
 */
declare function extname(
  pathOrFilename: string | Path,
  options?: { full?: boolean }
): string;

/**
 * Returns the contents of a directory, as absolute paths. `.` and `..` are
 * omitted.
 */
declare function ls(dir?: string | Path): Array<Path>;

/**
 * Create a directory (folder).
 *
 * Provides the same functionality as the unix binary of the same name.
 */
declare function mkdir(
  path: string | Path,
  options?: {
    recursive?: boolean;
    mode?: number;
    logging?: {
      trace?: (...args: Array<any>) => void;
      info?: (...args: Array<any>) => void;
    };
  }
): void;

/**
 * Create a directory (folder) and all parents, recursively
 *
 * Alias for `mkdir(path, { recursive: true })`.
 *
 * Provides the same functionality as `mkdir -p`.
 */
declare function mkdirp(
  path: string | Path,
  options?: {
    mode?: number;
    logging?: {
      trace?: (...args: Array<any>) => void;
      info?: (...args: Array<any>) => void;
    };
  }
): void;

/**
 * Print data to stdout using C-style format specifiers.
 *
 * The same formats as the standard C library printf are supported. Integer
 * format types (e.g. `%d`) truncate the Numbers or BigInts to 32 bits. Use the l
 * modifier (e.g. `%ld`) to truncate to 64 bits.
 */
declare function printf(format: string, ...args: Array<any>): void;

/**
 * Returns the process's current working directory.
 *
 * Provides the same functionality as the shell builtin of the same name.
 */
declare const pwd: {
  /**
   * Returns the process's current working directory.
   *
   * Provides the same functionality as the shell builtin of the same name.
   */
  (): Path;

  /**
   * A frozen, read-only `Path` object containing what `pwd()` was when
   * yavascript first started up.
   */
  readonly initial: Path;
};

/**
 * Reads a symlink.
 *
 * Returns the target of the symlink, which may be absolute or relative.
 *
 * Provides the same functionality as the unix binary of the same name.
 */
declare function readlink(path: string | Path): Path;

/**
 * Get the absolute path given a relative path. Symlinks are also resolved.
 *
 * The path's target file/directory must exist.
 *
 * Provides the same functionality as the unix binary of the same name.
 */
declare function realpath(path: string | Path): Path;

/**
 * Blocks the current thread for at least the specified number of milliseconds,
 * but maybe a tiny bit longer.
 *
 * alias for `sleep.sync`.
 */
declare var sleep: {
  /**
   * Blocks the current thread for at least the specified number of milliseconds,
   * but maybe a tiny bit longer.
   *
   * alias for `sleep.sync`.
   *
   * @param milliseconds - The number of milliseconds to block for.
   */
  (milliseconds: number): void;

  /**
   * Blocks the current thread for at least the specified number of milliseconds,
   * but maybe a tiny bit longer.
   *
   * @param milliseconds - The number of milliseconds to block for.
   */
  sync(milliseconds: number): void;

  /**
   * Returns a Promise which resolves in at least the specified number of
   * milliseconds, maybe a little longer.
   *
   * @param milliseconds - The number of milliseconds to wait before the returned Promise should be resolved.
   */
  async(milliseconds: number): Promise<void>;
};

/**
 * If the file at `path` exists, update its creation/modification timestamps.
 *
 * Otherwise, create an empty file at that path.
 *
 * @param path The target path for the file.
 */
declare function touch(path: string | Path): void;

/**
 * Searches the system for the path to a program named `binaryName`.
 *
 * If the program can't be found, `null` is returned.
 *
 * @param binaryName The program to search for
 * @param options Options which affect how the search is performed
 * @param options.searchPaths A list of folders where programs may be found. Defaults to `env.PATH?.split(Path.OS_ENV_VAR_SEPARATOR) || []`.
 * @param options.suffixes A list of filename extension suffixes to include in the search, ie [".exe"]. Defaults to `Path.OS_PROGRAM_EXTENSIONS`.
 * @param options.trace A logging function that will be called at various times during the execution of `which`. Defaults to {@link logger.trace}.
 */
declare function which(
  binaryName: string,
  options?: {
    /**
     * A list of folders where programs may be found. Defaults to
     * `env.PATH?.split(Path.OS_ENV_VAR_SEPARATOR) || []`.
     */
    searchPaths?: Array<Path | string>;

    /**
     * A list of filename extension suffixes to include in the search, ie
     * `[".exe"]`. Defaults to {@link Path.OS_PROGRAM_EXTENSIONS}.
     */
    suffixes?: Array<string>;

    /** Options which control logging. */
    logging?: {
      /**
       * If provided, this logging function will be called multiple times as
       * `which` runs, to help you understand what's going on and/or troubleshoot
       * things. In most cases, it makes sense to use a function from `console`
       * here, like so:
       *
       * ```js
       * which("bash", {
       *   logging: { trace: console.log }
       * });
       * ```
       *
       * Defaults to the current value of {@link logger.trace}. `logger.trace`
       * defaults to a no-op function.
       */
      trace?: (...args: Array<any>) => void;
    };
  }
): Path | null;

declare type BaseExecOptions = {
  /** Sets the current working directory for the child process. */
  cwd?: string | Path;

  /** Sets environment variables within the process. */
  env?: { [key: string | number]: string | number | boolean };

  /** Options which control logging. */
  logging?: {
    /**
     * If provided, this logging function will be called multiple times as
     * `exec` runs, to help you understand what's going on and/or troubleshoot
     * things. In most cases, it makes sense to use a function from `console`
     * here, like so:
     *
     * ```js
     * exec(["echo", "hi"], {
     *   logging: { trace: console.log },
     * });
     * ```
     *
     * Defaults to the current value of {@link logger.trace}. `logger.trace`
     * defaults to a no-op function.
     */
    trace?: (...args: Array<any>) => void;

    /**
     * An optional, user-provided logging function to be used for informational
     * messages. Less verbose than `logging.trace`.
     *
     * Defaults to the current value of {@link logger.info}. `logger.info`
     * defaults to a function which logs to stderr.
     */
    info?: (...args: Array<any>) => void;
  };

  /**
   * Whether an Error should be thrown when the process exits with a nonzero
   * status code.
   *
   * Defaults to true.
   */
  failOnNonZeroStatus?: boolean;

  /**
   * If true, stdout and stderr will be collected into strings or array buffers
   * and returned instead of being printed to the screen.
   *
   * Defaults to false. true is an alias for "utf8".
   */
  captureOutput?: boolean | "utf8" | "arraybuffer";

  /**
   * If true, exec doesn't return until the process is done running. If false,
   * exec returns an object with a "wait" method which can be used to wait for
   * the process to be done running.
   *
   * Defaults to true.
   */
  block?: boolean;
};

type ExecWaitResult<ExecOptions extends BaseExecOptions> = ExecOptions extends
  | { captureOutput: true | "utf8" | "arraybuffer" }
  | { failOnNonZeroStatus: false }
  ? (ExecOptions["captureOutput"] extends true | "utf8"
      ? { stdout: string; stderr: string }
      : {}) &
      (ExecOptions["captureOutput"] extends "arraybuffer"
        ? { stdout: ArrayBuffer; stderr: ArrayBuffer }
        : {}) &
      (ExecOptions["failOnNonZeroStatus"] extends false
        ?
            | { status: number; signal: undefined }
            | { status: undefined; signal: number }
        : {})
  : void;

declare interface Exec {
  <
    ExecOptions extends BaseExecOptions = {
      failOnNonZeroStatus: true;
      captureOutput: false;
      block: true;
    }
  >(
    args: Array<string | Path | number> | string | Path,
    options?: ExecOptions
  ): ExecOptions["block"] extends false
    ? { wait(): ExecWaitResult<ExecOptions> }
    : ExecWaitResult<ExecOptions>;

  /**
   * Parse the provided value into an array of command-line argument strings,
   * using the same logic that {@link exec} and {@link ChildProcess} use.
   */
  toArgv(args: Array<string | Path | number> | string | Path): Array<string>;
}

/**
 * Runs a child process using the provided arguments.
 *
 * The first value in the arguments array is the program to run.
 */
declare const exec: Exec;

/** Alias for `exec(args, { captureOutput: true })` */
declare function $(args: Array<string | Path | number> | string | Path): {
  stdout: string;
  stderr: string;
};

/** A class which represents a child process. The process may or may not be running. */
declare interface ChildProcess {
  /**
   * The argv for the process. The first entry in this array is the program to
   * run.
   */
  args: Array<string>;

  /** The current working directory for the process. */
  cwd: Path;

  /** The environment variables for the process. */
  env: { [key: string]: string };

  /**
   * The standard I/O streams for the process. Generally these are the same as
   * `std.in`, `std.out`, and `std.err`, but they can be customized to write
   * output elsewhere.
   */
  stdio: {
    /** Where the process reads stdin from */
    in: FILE;
    /** Where the process writes stdout to */
    out: FILE;
    /** Where the process writes stderr to */
    err: FILE;
  };

  pid: number | null;

  /** Spawns the process and returns its pid (process id). */
  start(): number;

  /** Blocks the calling thread until the process exits or is killed. */
  waitUntilComplete():
    | { status: number; signal: undefined }
    | { status: undefined; signal: number };
}

/**
 * Options to be passed to the ChildProcess constructor. Their purposes and
 * types match the same-named properties found on the resulting ChildProcess.
 */
declare type ChildProcessOptions = {
  /** The current working directory for the process. */
  cwd?: string | Path;

  /** The environment variables for the process. */
  env?: { [key: string]: string };

  /**
   * The standard I/O streams for the process. Generally these are the same as
   * `std.in`, `std.out`, and `std.err`, but they can be customized to write
   * output elsewhere.
   */
  stdio?: {
    /** Where the process reads stdin from */
    in?: FILE;
    /** Where the process writes stdout to */
    out?: FILE;
    /** Where the process writes stderr to */
    err?: FILE;
  };

  /** Options which control logging */
  logging?: {
    /**
     * Optional trace function which, if present, will be called at various
     * times to provide information about the lifecycle of the process.
     *
     * Defaults to the current value of {@link logger.trace}. `logger.trace`
     * defaults to a function which writes to stderr.
     */
    trace?: (...args: Array<any>) => void;
  };
};

declare interface ChildProcessConstructor {
  /**
   * Construct a new ChildProcess.
   *
   * @param args - The argv for the process. The first entry in this array is the program to run.
   * @param options - Options for the process (cwd, env, stdio, etc)
   */
  new (
    args: string | Path | Array<string | number | Path>,
    options?: ChildProcessOptions
  ): ChildProcess;

  readonly prototype: ChildProcess;
}

declare var ChildProcess: ChildProcessConstructor;

/**
 * Options for {@link glob}.
 */
declare type GlobOptions = {
  /**
   * Whether to treat symlinks to directories as if they themselves were
   * directories, traversing into them.
   *
   * Defaults to false.
   */
  followSymlinks?: boolean;

  /** Options which control logging. */
  logging?: {
    /**
     * If provided, this function will be called multiple times as `glob`
     * traverses the filesystem, to help you understand what's going on and/or
     * troubleshoot things. In most cases, it makes sense to use a logging
     * function here, like so:
     *
     * ```js
     * glob(["./*.js"], {
     *  logging: { trace: console.log }
     * });
     * ```
     *
     * Defaults to the current value of {@link logger.trace}. `logger.trace`
     * defaults to a no-op function.
     */
    trace?: (...args: Array<any>) => void;

    /**
     * An optional, user-provided logging function to be used for informational
     * messages. Less verbose than `logging.trace`.
     *
     * Defaults to the current value of {@link logger.info}. `logger.info`
     * defaults to a function which writes to stderr.
     */
    info?: (...args: Array<any>) => void;
  };

  /**
   * Directory to interpret glob patterns relative to. Defaults to `pwd()`.
   */
  dir?: string | Path;
};

/**
 * Search the filesystem for files matching the specified glob patterns.
 *
 * Uses [minimatch](https://www.npmjs.com/package/minimatch) with its default
 * options.
 */
declare function glob(
  patterns: string | Array<string>,
  options?: GlobOptions
): Array<Path>;

/**
 * Clear the contents and scrollback buffer of the tty by printing special characters into stdout.
 */
declare function clear(): void;

interface Console {
  /** Same as {@link clear}(). */
  clear: typeof clear;
}

/**
 * Remove ANSI control characters from a string.
 */
declare function stripAnsi(input: string | number | Path): string;

/**
 * Wrap a string in double quotes, and escape any double-quotes inside using `\"`.
 */
declare function quote(input: string | number | Path): string;

// Colors

/** Wrap a string with the ANSI control characters that will make it print as black text. */
declare function black(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print as red text. */
declare function red(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print as green text. */
declare function green(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print as yellow text. */
declare function yellow(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print as blue text. */
declare function blue(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print as magenta text. */
declare function magenta(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print as cyan text. */
declare function cyan(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print as white text. */
declare function white(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print as gray text. */
declare function gray(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print as grey text. */
declare function grey(input: string | number | Path): string;

// Background Colors

/** Wrap a string with the ANSI control characters that will make it have a black background. */
declare function bgBlack(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it have a red background. */
declare function bgRed(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it have a green background. */
declare function bgGreen(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it have a yellow background. */
declare function bgYellow(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it have a blue background. */
declare function bgBlue(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it have a magenta background. */
declare function bgMagenta(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it have a cyan background. */
declare function bgCyan(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it have a white background. */
declare function bgWhite(input: string | number | Path): string;

// Modifiers

/** Wrap a string with the ANSI control character that resets all styling. */
declare function reset(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print with a bold style. */
declare function bold(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print with a dimmed style. */
declare function dim(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print italicized. */
declare function italic(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print underlined. */
declare function underline(input: string | number | Path): string;
/** Wrap a string with ANSI control characters such that its foreground (text) and background colors are swapped. */
declare function inverse(input: string | number | Path): string;
/** Wrap a string with ANSI control characters such that it is hidden. */
declare function hidden(input: string | number | Path): string;
/** Wrap a string with the ANSI control characters that will make it print with a horizontal line through its center. */
declare function strikethrough(input: string | number | Path): string;

/** Split `str` on newline and then return lines matching `pattern`. */
declare const grepString: {
  /** Split `str` on newline and then return lines matching `pattern`. */
  (str: string, pattern: string | RegExp): Array<string>;

  /** Split `str` on newline and then return lines matching `pattern`. */
  (
    str: string,
    pattern: string | RegExp,
    options: { inverse: false }
  ): Array<string>;

  /** Split `str` on newline and then return lines NOT matching `pattern`. */
  (
    str: string,
    pattern: string | RegExp,
    options: { inverse: true }
  ): Array<string>;

  /** Split `str` on newline and then return lines matching `pattern`. */
  (
    str: string,
    pattern: string | RegExp,
    options: { details: false }
  ): Array<string>;

  /** Split `str` on newline and then return lines matching `pattern`. */
  (
    str: string,
    pattern: string | RegExp,
    options: { inverse: false; details: false }
  ): Array<string>;

  /** Split `str` on newline and then return lines NOT matching `pattern`. */
  (
    str: string,
    pattern: string | RegExp,
    options: { inverse: true; details: false }
  ): Array<string>;

  /** Split `str` on newline and then return info about lines matching `pattern`. */
  (str: string, pattern: string | RegExp, options: { details: true }): Array<{
    lineNumber: number;
    lineContent: string;
    matches: RegExpMatchArray;
  }>;

  /** Split `str` on newline and then return info about lines matching `pattern`. */
  (
    str: string,
    pattern: string | RegExp,
    options: { inverse: false; details: true }
  ): Array<string>;

  /** Split `str` on newline and then return info about lines NOT matching `pattern`. */
  (
    str: string,
    pattern: string | RegExp,
    options: { inverse: true; details: true }
  ): Array<{
    lineNumber: number;
    lineContent: string;
    matches: RegExpMatchArray;
  }>;
};

/** Read the content at `path`, split it on newline, and then return lines matching `pattern`. */
declare const grepFile: {
  /** Read the content at `path`, split it on newline,  and then return lines matching `pattern`. */
  (path: string | Path, pattern: string | RegExp): Array<string>;

  /** Read the content at `path`, split it on newline,  and then return lines matching `pattern`. */
  (
    path: string | Path,
    pattern: string | RegExp,
    options: { inverse: false }
  ): Array<string>;

  /** Read the content at `path`, split it on newline,  and then return lines NOT matching `pattern`. */
  (
    path: string | Path,
    pattern: string | RegExp,
    options: { inverse: true }
  ): Array<string>;

  /** Read the content at `path`, split it on newline,  and then return lines matching `pattern`. */
  (
    path: string | Path,
    pattern: string | RegExp,
    options: { details: false }
  ): Array<string>;

  /** Read the content at `path`, split it on newline,  and then return lines matching `pattern`. */
  (
    path: string | Path,
    pattern: string | RegExp,
    options: { inverse: false; details: false }
  ): Array<string>;

  /** Read the content at `path`, split it on newline,  and then return lines NOT matching `pattern`. */
  (
    path: string | Path,
    pattern: string | RegExp,
    options: { inverse: true; details: false }
  ): Array<string>;

  /** Read the content at `path`, split it on newline,  and then return info about lines matching `pattern`. */
  (
    path: string | Path,
    pattern: string | RegExp,
    options: { details: true }
  ): Array<{
    lineNumber: number;
    lineContent: string;
    matches: RegExpMatchArray;
  }>;

  /** Read the content at `path`, split it on newline,  and then return info about lines matching `pattern`. */
  (
    path: string | Path,
    pattern: string | RegExp,
    options: { inverse: false; details: true }
  ): Array<string>;

  /** Read the content at `path`, split it on newline,  and then return info about lines NOT matching `pattern`. */
  (
    path: string | Path,
    pattern: string | RegExp,
    options: { inverse: true; details: true }
  ): Array<{
    lineNumber: number;
    lineContent: string;
    matches: RegExpMatchArray;
  }>;
};

interface String {
  // Same as grepString but without the first argument.
  grep: {
    /** Split the string on newline and then return lines matching `pattern`. */
    (pattern: string | RegExp): Array<string>;

    /** Split the string on newline and then return lines matching `pattern`. */
    (pattern: string | RegExp, options: { inverse: false }): Array<string>;

    /** Split the string on newline and then return lines NOT matching `pattern`. */
    (pattern: string | RegExp, options: { inverse: true }): Array<string>;

    /** Split the string on newline and then return lines matching `pattern`. */
    (pattern: string | RegExp, options: { details: false }): Array<string>;

    /** Split the string on newline and then return lines matching `pattern`. */
    (
      pattern: string | RegExp,
      options: { inverse: false; details: false }
    ): Array<string>;

    /** Split the string on newline and then return lines NOT matching `pattern`. */
    (
      pattern: string | RegExp,
      options: { inverse: true; details: false }
    ): Array<string>;

    /** Split the string on newline and then return info about lines matching `pattern`. */
    (pattern: string | RegExp, options: { details: true }): Array<{
      lineNumber: number;
      lineContent: string;
      matches: RegExpMatchArray;
    }>;

    /** Split the string on newline and then return info about lines matching `pattern`. */
    (
      pattern: string | RegExp,
      options: { inverse: false; details: true }
    ): Array<string>;

    /** Split the string on newline and then return info about lines NOT matching `pattern`. */
    (
      pattern: string | RegExp,
      options: { inverse: true; details: true }
    ): Array<{
      lineNumber: number;
      lineContent: string;
      matches: RegExpMatchArray;
    }>;
  };
}

declare type TypeValidator<T> = (value: any) => value is T;

declare type CoerceToTypeValidator<V extends CoerceableToTypeValidator> =
  V extends StringConstructor
    ? TypeValidator<string>
    : V extends NumberConstructor
    ? TypeValidator<number>
    : V extends BooleanConstructor
    ? TypeValidator<boolean>
    : V extends BigIntConstructor
    ? TypeValidator<BigInt>
    : V extends SymbolConstructor
    ? TypeValidator<Symbol>
    : V extends RegExpConstructor
    ? TypeValidator<RegExp>
    : V extends ArrayConstructor
    ? TypeValidator<Array<unknown>>
    : V extends SetConstructor
    ? TypeValidator<Set<unknown>>
    : V extends MapConstructor
    ? TypeValidator<Map<unknown, unknown>>
    : V extends ObjectConstructor
    ? TypeValidator<{
        [key: string | number | symbol]: unknown;
      }>
    : V extends DateConstructor
    ? TypeValidator<Date>
    : V extends FunctionConstructor
    ? TypeValidator<Function>
    : V extends ArrayBufferConstructor
    ? TypeValidator<ArrayBuffer>
    : V extends SharedArrayBufferConstructor
    ? TypeValidator<SharedArrayBuffer>
    : V extends DataViewConstructor
    ? TypeValidator<DataView>
    : V extends Int8ArrayConstructor
    ? TypeValidator<Int8Array>
    : V extends Uint8ArrayConstructor
    ? TypeValidator<Uint8Array>
    : V extends Uint8ClampedArrayConstructor
    ? TypeValidator<Uint8ClampedArray>
    : V extends Int16ArrayConstructor
    ? TypeValidator<Int16Array>
    : V extends Uint16ArrayConstructor
    ? TypeValidator<Uint16Array>
    : V extends Int32ArrayConstructor
    ? TypeValidator<Int32Array>
    : V extends Uint32ArrayConstructor
    ? TypeValidator<Uint32Array>
    : V extends Float32ArrayConstructor
    ? TypeValidator<Float32Array>
    : V extends Float64ArrayConstructor
    ? TypeValidator<Float64Array>
    : V extends RegExp
    ? TypeValidator<string>
    : V extends {}
    ? TypeValidator<{
        [key in keyof V]: CoerceToTypeValidator<V[key]>;
      }>
    : V extends []
    ? TypeValidator<[]>
    : V extends [any]
    ? TypeValidator<Array<CoerceToTypeValidator<V[0]>>>
    : V extends Array<any>
    ? TypeValidator<Array<unknown>>
    : V extends {
        new (...args: any): any;
      }
    ? TypeValidator<InstanceType<V>>
    : TypeValidator<V>;

declare type CoerceableToTypeValidator =
  | boolean
  | number
  | string
  | bigint
  | undefined
  | null
  | RegExp
  | StringConstructor
  | NumberConstructor
  | BooleanConstructor
  | BigIntConstructor
  | SymbolConstructor
  | RegExpConstructor
  | ArrayConstructor
  | SetConstructor
  | MapConstructor
  | ObjectConstructor
  | DateConstructor
  | FunctionConstructor
  | ArrayBufferConstructor
  | SharedArrayBufferConstructor
  | DataViewConstructor
  | Int8ArrayConstructor
  | Uint8ArrayConstructor
  | Uint8ClampedArrayConstructor
  | Int16ArrayConstructor
  | Uint16ArrayConstructor
  | Int32ArrayConstructor
  | Uint32ArrayConstructor
  | Float32ArrayConstructor
  | Float64ArrayConstructor
  | {}
  | []
  | [any]
  | Array<any>
  | {
      new (...args: any): any;
    };

declare type UnwrapTypeFromCoerceableOrValidator<
  V extends CoerceableToTypeValidator | TypeValidator<any> | unknown
> = V extends TypeValidator<infer T>
  ? T
  : V extends CoerceableToTypeValidator
  ? CoerceToTypeValidator<V> extends TypeValidator<infer T>
    ? T
    : never
  : unknown;

declare const types: {
  // basic types
  any: TypeValidator<any>;
  unknown: TypeValidator<unknown>;
  anyObject: TypeValidator<{
    [key: string | number | symbol]: any;
  }>;
  unknownObject: TypeValidator<{}>;
  object: TypeValidator<{}>;
  Object: TypeValidator<{}>;
  arrayOfAny: TypeValidator<Array<any>>;
  arrayOfUnknown: TypeValidator<Array<unknown>>;
  array: TypeValidator<Array<unknown>>;
  Array: TypeValidator<unknown[]>;
  anyArray: TypeValidator<Array<any>>;
  boolean: TypeValidator<boolean>;
  Boolean: TypeValidator<boolean>;
  string: TypeValidator<string>;
  String: TypeValidator<string>;
  null: TypeValidator<null>;
  undefined: TypeValidator<undefined>;
  nullish: TypeValidator<null | undefined>;
  void: TypeValidator<null | undefined>;
  numberIncludingNanAndInfinities: TypeValidator<number>;
  number: TypeValidator<number>;
  Number: TypeValidator<number>;
  NaN: TypeValidator<number>;
  Infinity: TypeValidator<number>;
  NegativeInfinity: TypeValidator<number>;
  integer: TypeValidator<number>;
  bigint: TypeValidator<bigint>;
  BigInt: TypeValidator<bigint>;
  never: TypeValidator<never>;
  anyFunction: TypeValidator<(...args: any) => any>;
  unknownFunction: TypeValidator<(...args: Array<unknown>) => unknown>;
  Function: TypeValidator<(...args: Array<unknown>) => unknown>;
  false: TypeValidator<false>;
  true: TypeValidator<true>;
  falsy: TypeValidator<false | null | undefined | "" | 0>;
  truthy: <T>(target: false | "" | 0 | T | null | undefined) => target is T;
  nonNullOrUndefined: <T>(target: T | null | undefined) => target is T;
  Error: TypeValidator<Error>;
  Symbol: TypeValidator<symbol>;
  symbol: TypeValidator<symbol>;
  RegExp: TypeValidator<RegExp>;
  Date: TypeValidator<Date>;
  anyMap: TypeValidator<Map<any, any>>;
  unknownMap: TypeValidator<Map<unknown, unknown>>;
  map: TypeValidator<Map<unknown, unknown>>;
  Map: TypeValidator<Map<unknown, unknown>>;
  anySet: TypeValidator<Set<any>>;
  unknownSet: TypeValidator<Set<unknown>>;
  set: TypeValidator<Set<unknown>>;
  Set: TypeValidator<Set<unknown>>;
  ArrayBuffer: TypeValidator<ArrayBuffer>;
  SharedArrayBuffer: TypeValidator<SharedArrayBuffer>;
  DataView: TypeValidator<DataView>;
  TypedArray: TypeValidator<
    | Int8Array
    | Uint8Array
    | Uint8ClampedArray
    | Int16Array
    | Uint16Array
    | Int32Array
    | Uint32Array
    | Float32Array
    | Float64Array
  >;
  Int8Array: TypeValidator<Int8Array>;
  Uint8Array: TypeValidator<Uint8Array>;
  Uint8ClampedArray: TypeValidator<Uint8ClampedArray>;
  Int16Array: TypeValidator<Int16Array>;
  Uint16Array: TypeValidator<Uint16Array>;
  Int32Array: TypeValidator<Int32Array>;
  Uint32Array: TypeValidator<Uint32Array>;
  Float32Array: TypeValidator<Float32Array>;
  Float64Array: TypeValidator<Float64Array>;

  // type constructors
  exactString<T extends string>(str: T): TypeValidator<T>;
  exactNumber<T extends number>(num: T): TypeValidator<T>;
  exactBigInt<T extends bigint>(num: T): TypeValidator<T>;
  exactSymbol<T extends symbol>(sym: T): TypeValidator<T>;
  hasClassName<Name extends string>(
    name: Name
  ): TypeValidator<{ constructor: Function & { name: Name } }>;
  hasToStringTag(name: string): TypeValidator<any>;
  instanceOf<Klass extends Function & { prototype: any }>(
    klass: Klass
  ): TypeValidator<Klass["prototype"]>;
  stringMatching(regexp: RegExp): TypeValidator<string>;
  symbolFor(key: string): TypeValidator<symbol>;
  arrayOf<T extends TypeValidator<any> | CoerceableToTypeValidator | unknown>(
    typeValidator: T
  ): TypeValidator<Array<UnwrapTypeFromCoerceableOrValidator<T>>>;
  intersection: {
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth> &
        UnwrapTypeFromCoerceableOrValidator<Seventh>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth> &
        UnwrapTypeFromCoerceableOrValidator<Seventh> &
        UnwrapTypeFromCoerceableOrValidator<Eighth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth> &
        UnwrapTypeFromCoerceableOrValidator<Seventh> &
        UnwrapTypeFromCoerceableOrValidator<Eighth> &
        UnwrapTypeFromCoerceableOrValidator<Ninth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Tenth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth,
      tenth: Tenth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth> &
        UnwrapTypeFromCoerceableOrValidator<Seventh> &
        UnwrapTypeFromCoerceableOrValidator<Eighth> &
        UnwrapTypeFromCoerceableOrValidator<Ninth> &
        UnwrapTypeFromCoerceableOrValidator<Tenth>
    >;
  };
  and: {
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth> &
        UnwrapTypeFromCoerceableOrValidator<Seventh>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth> &
        UnwrapTypeFromCoerceableOrValidator<Seventh> &
        UnwrapTypeFromCoerceableOrValidator<Eighth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth> &
        UnwrapTypeFromCoerceableOrValidator<Seventh> &
        UnwrapTypeFromCoerceableOrValidator<Eighth> &
        UnwrapTypeFromCoerceableOrValidator<Ninth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Tenth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth,
      tenth: Tenth
    ): TypeValidator<
      UnwrapTypeFromCoerceableOrValidator<First> &
        UnwrapTypeFromCoerceableOrValidator<Second> &
        UnwrapTypeFromCoerceableOrValidator<Third> &
        UnwrapTypeFromCoerceableOrValidator<Fourth> &
        UnwrapTypeFromCoerceableOrValidator<Fifth> &
        UnwrapTypeFromCoerceableOrValidator<Sixth> &
        UnwrapTypeFromCoerceableOrValidator<Seventh> &
        UnwrapTypeFromCoerceableOrValidator<Eighth> &
        UnwrapTypeFromCoerceableOrValidator<Ninth> &
        UnwrapTypeFromCoerceableOrValidator<Tenth>
    >;
  };
  union: {
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
      | UnwrapTypeFromCoerceableOrValidator<Seventh>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
      | UnwrapTypeFromCoerceableOrValidator<Seventh>
      | UnwrapTypeFromCoerceableOrValidator<Eighth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
      | UnwrapTypeFromCoerceableOrValidator<Seventh>
      | UnwrapTypeFromCoerceableOrValidator<Eighth>
      | UnwrapTypeFromCoerceableOrValidator<Ninth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Tenth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth,
      tenth: Tenth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
      | UnwrapTypeFromCoerceableOrValidator<Seventh>
      | UnwrapTypeFromCoerceableOrValidator<Eighth>
      | UnwrapTypeFromCoerceableOrValidator<Ninth>
      | UnwrapTypeFromCoerceableOrValidator<Tenth>
    >;
  };
  or: {
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
      | UnwrapTypeFromCoerceableOrValidator<Seventh>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
      | UnwrapTypeFromCoerceableOrValidator<Seventh>
      | UnwrapTypeFromCoerceableOrValidator<Eighth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
      | UnwrapTypeFromCoerceableOrValidator<Seventh>
      | UnwrapTypeFromCoerceableOrValidator<Eighth>
      | UnwrapTypeFromCoerceableOrValidator<Ninth>
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Tenth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth,
      tenth: Tenth
    ): TypeValidator<
      | UnwrapTypeFromCoerceableOrValidator<First>
      | UnwrapTypeFromCoerceableOrValidator<Second>
      | UnwrapTypeFromCoerceableOrValidator<Third>
      | UnwrapTypeFromCoerceableOrValidator<Fourth>
      | UnwrapTypeFromCoerceableOrValidator<Fifth>
      | UnwrapTypeFromCoerceableOrValidator<Sixth>
      | UnwrapTypeFromCoerceableOrValidator<Seventh>
      | UnwrapTypeFromCoerceableOrValidator<Eighth>
      | UnwrapTypeFromCoerceableOrValidator<Ninth>
      | UnwrapTypeFromCoerceableOrValidator<Tenth>
    >;
  };
  mapOf<
    K extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
    V extends TypeValidator<any> | CoerceableToTypeValidator | unknown
  >(
    keyType: K,
    valueType: V
  ): TypeValidator<
    Map<
      UnwrapTypeFromCoerceableOrValidator<K>,
      UnwrapTypeFromCoerceableOrValidator<V>
    >
  >;
  setOf<T extends TypeValidator<any> | CoerceableToTypeValidator | unknown>(
    itemType: T
  ): TypeValidator<Set<UnwrapTypeFromCoerceableOrValidator<T>>>;
  maybe<T extends TypeValidator<any> | CoerceableToTypeValidator | unknown>(
    itemType: T
  ): TypeValidator<UnwrapTypeFromCoerceableOrValidator<T> | undefined | null>;
  objectWithProperties<
    T extends {
      [key: string | number | symbol]:
        | TypeValidator<any>
        | CoerceableToTypeValidator
        | unknown;
    }
  >(
    properties: T
  ): TypeValidator<{
    [key in keyof T]: UnwrapTypeFromCoerceableOrValidator<T[key]>;
  }>;
  objectWithOnlyTheseProperties<
    T extends {
      [key: string | number | symbol]:
        | TypeValidator<any>
        | CoerceableToTypeValidator
        | unknown;
    }
  >(
    properties: T
  ): TypeValidator<{
    [key in keyof T]: UnwrapTypeFromCoerceableOrValidator<T[key]>;
  }>;

  mappingObjectOf<
    Values extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
    Keys extends TypeValidator<any> | CoerceableToTypeValidator | unknown
  >(
    keyType: Keys,
    valueType: Values
  ): TypeValidator<
    Record<
      UnwrapTypeFromCoerceableOrValidator<Keys> extends string | number | symbol
        ? UnwrapTypeFromCoerceableOrValidator<Keys>
        : never,
      UnwrapTypeFromCoerceableOrValidator<Values>
    >
  >;
  record<
    Values extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
    Keys extends TypeValidator<any> | CoerceableToTypeValidator | unknown
  >(
    keyType: Keys,
    valueType: Values
  ): TypeValidator<
    Record<
      UnwrapTypeFromCoerceableOrValidator<Keys> extends string | number | symbol
        ? UnwrapTypeFromCoerceableOrValidator<Keys>
        : never,
      UnwrapTypeFromCoerceableOrValidator<Values>
    >
  >;
  partialObjectWithProperties<
    T extends {
      [key: string | number | symbol]:
        | TypeValidator<any>
        | CoerceableToTypeValidator
        | unknown;
    }
  >(
    properties: T
  ): TypeValidator<{
    [key in keyof T]:
      | UnwrapTypeFromCoerceableOrValidator<T[key]>
      | null
      | undefined;
  }>;
  tuple: {
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second
    ): TypeValidator<
      [
        UnwrapTypeFromCoerceableOrValidator<First>,
        UnwrapTypeFromCoerceableOrValidator<Second>
      ]
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third
    ): TypeValidator<
      [
        UnwrapTypeFromCoerceableOrValidator<First>,
        UnwrapTypeFromCoerceableOrValidator<Second>,
        UnwrapTypeFromCoerceableOrValidator<Third>
      ]
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth
    ): TypeValidator<
      [
        UnwrapTypeFromCoerceableOrValidator<First>,
        UnwrapTypeFromCoerceableOrValidator<Second>,
        UnwrapTypeFromCoerceableOrValidator<Third>,
        UnwrapTypeFromCoerceableOrValidator<Fourth>
      ]
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth
    ): TypeValidator<
      [
        UnwrapTypeFromCoerceableOrValidator<First>,
        UnwrapTypeFromCoerceableOrValidator<Second>,
        UnwrapTypeFromCoerceableOrValidator<Third>,
        UnwrapTypeFromCoerceableOrValidator<Fourth>,
        UnwrapTypeFromCoerceableOrValidator<Fifth>
      ]
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth
    ): TypeValidator<
      [
        UnwrapTypeFromCoerceableOrValidator<First>,
        UnwrapTypeFromCoerceableOrValidator<Second>,
        UnwrapTypeFromCoerceableOrValidator<Third>,
        UnwrapTypeFromCoerceableOrValidator<Fourth>,
        UnwrapTypeFromCoerceableOrValidator<Fifth>,
        UnwrapTypeFromCoerceableOrValidator<Sixth>
      ]
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh
    ): TypeValidator<
      [
        UnwrapTypeFromCoerceableOrValidator<First>,
        UnwrapTypeFromCoerceableOrValidator<Second>,
        UnwrapTypeFromCoerceableOrValidator<Third>,
        UnwrapTypeFromCoerceableOrValidator<Fourth>,
        UnwrapTypeFromCoerceableOrValidator<Fifth>,
        UnwrapTypeFromCoerceableOrValidator<Sixth>,
        UnwrapTypeFromCoerceableOrValidator<Seventh>
      ]
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth
    ): TypeValidator<
      [
        UnwrapTypeFromCoerceableOrValidator<First>,
        UnwrapTypeFromCoerceableOrValidator<Second>,
        UnwrapTypeFromCoerceableOrValidator<Third>,
        UnwrapTypeFromCoerceableOrValidator<Fourth>,
        UnwrapTypeFromCoerceableOrValidator<Fifth>,
        UnwrapTypeFromCoerceableOrValidator<Sixth>,
        UnwrapTypeFromCoerceableOrValidator<Seventh>,
        UnwrapTypeFromCoerceableOrValidator<Eighth>
      ]
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth
    ): TypeValidator<
      [
        UnwrapTypeFromCoerceableOrValidator<First>,
        UnwrapTypeFromCoerceableOrValidator<Second>,
        UnwrapTypeFromCoerceableOrValidator<Third>,
        UnwrapTypeFromCoerceableOrValidator<Fourth>,
        UnwrapTypeFromCoerceableOrValidator<Fifth>,
        UnwrapTypeFromCoerceableOrValidator<Sixth>,
        UnwrapTypeFromCoerceableOrValidator<Seventh>,
        UnwrapTypeFromCoerceableOrValidator<Eighth>,
        UnwrapTypeFromCoerceableOrValidator<Ninth>
      ]
    >;
    <
      First extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Second extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Third extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fourth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Fifth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Sixth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Seventh extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Eighth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Ninth extends TypeValidator<any> | CoerceableToTypeValidator | unknown,
      Tenth extends TypeValidator<any> | CoerceableToTypeValidator | unknown
    >(
      first: First,
      second: Second,
      third: Third,
      fourth: Fourth,
      fifth: Fifth,
      sixth: Sixth,
      seventh: Seventh,
      eighth: Eighth,
      ninth: Ninth,
      tenth: Tenth
    ): TypeValidator<
      [
        UnwrapTypeFromCoerceableOrValidator<First>,
        UnwrapTypeFromCoerceableOrValidator<Second>,
        UnwrapTypeFromCoerceableOrValidator<Third>,
        UnwrapTypeFromCoerceableOrValidator<Fourth>,
        UnwrapTypeFromCoerceableOrValidator<Fifth>,
        UnwrapTypeFromCoerceableOrValidator<Sixth>,
        UnwrapTypeFromCoerceableOrValidator<Seventh>,
        UnwrapTypeFromCoerceableOrValidator<Eighth>,
        UnwrapTypeFromCoerceableOrValidator<Ninth>,
        UnwrapTypeFromCoerceableOrValidator<Tenth>
      ]
    >;
  };

  coerce: <V extends CoerceableToTypeValidator | TypeValidator<any> | unknown>(
    value: V
  ) => TypeValidator<UnwrapTypeFromCoerceableOrValidator<V>>;

  FILE: TypeValidator<FILE>;
  Path: TypeValidator<Path>;
  JSX: {
    unknownElement: TypeValidator<
      JSX.Element<{ [key: string | symbol | number]: unknown }, unknown>
    >;
    anyElement: TypeValidator<JSX.Element<any, any>>;
    Element: TypeValidator<
      JSX.Element<{ [key: string | symbol | number]: unknown }, unknown>
    >;
    Fragment: TypeValidator<JSX.Fragment>;
  };
};

/**
 * Returns whether `value` is of type `type`. Useful for validating that values have the correct type at runtime, in library functions or etc.
 *
 * Run `help(is)` for more info.
 */
declare const is: <T extends TypeValidator<any> | CoerceableToTypeValidator>(
  value: any,
  type: T
) => value is UnwrapTypeFromCoerceableOrValidator<T>;

/**
 * Alias to {@link is}, for Civet, because `is` is a reserved keyword in Civet.
 */
declare const _is: typeof is;

declare const assert: {
  /**
   * Throws an error if `value` is not truthy.
   *
   * @param value - The value to test for truthiness
   * @param message - An optional error message to use. If unspecified, "Assertion failed" will be used.
   */
  <ValueType>(
    value: ValueType,
    message?: string
  ): asserts value is ValueType extends null | undefined | false | 0 | ""
    ? never
    : ValueType;

  /**
   * Throws an error if `value` is not of the type `type`.
   *
   * `type` should be either a {@link TypeValidator}, or a value which can be coerced into one via {@link types.coerce}.
   */
  type: <T extends TypeValidator<any> | CoerceableToTypeValidator>(
    value: any,
    type: T,
    optionalMessage?: string
  ) => asserts value is UnwrapTypeFromCoerceableOrValidator<T>;
};

interface InteractivePrompt {
  prompt?: () => string;
  printInput?: (input: string) => void;
  historyFileName?: string;
  getCompletions?: (
    line: string,
    pos: number
  ) => {
    // TODO refactor these to have better key names
    tab: Array<string>;
    pos: number;
    ctx: { [key: string | number | symbol]: any };
  };

  handleInput: (input: string) => void;
  start(): void;
}

interface InteractivePromptConstructor {
  new (
    handleInput: (input: string) => void,
    options?: {
      prompt?: () => string;
      printInput?: (input: string) => void;
      historyFileName?: string;
      getCompletions?: (
        line: string,
        pos: number
      ) => {
        // TODO refactor these to have better key names
        tab: Array<string>;
        pos: number;
        ctx: { [key: string | number | symbol]: any };
      };
    }
  ): InteractivePrompt;

  prototype: InteractivePrompt;
}

/** wip experimental use at your own risk */
declare var InteractivePrompt: InteractivePromptConstructor;

/**
 * Launch the Yavascript REPL (read-eval-print-loop).
 *
 * @param context Variables to make available as globals within the repl.
 * @param lang The langauge to use in the repl. Defaults to "javascript".
 */
declare const startRepl: {
  (
    context?: { [key: string]: any },
    lang?:
      | "js"
      | "javascript"
      | "ts"
      | "typescript"
      | "jsx"
      | "tsx"
      | "coffee"
      | "coffeescript"
      | "civet"
  ): void;

  /**
   * A special value; when expressions result in this value, the repl will
   * print nothing instead of printing this value.
   */
  NOTHING: symbol;
};

/**
 * An object that points to a git repository on disk and provides utility
 * methods for getting information from that repo.
 */
declare class GitRepo {
  /**
   * Given a path to a file or folder on disk, searches upwards through the
   * directory ancestry to find a `.git` folder, then returns the Path that
   * contains that `.git` folder. If no `.git` folder is found, an error will be
   * thrown.
   */
  static findRoot(fromPath: string | Path): Path;

  /**
   * Creates a new `GitRepo` object for the given repo on disk.
   */
  constructor(repoDir: string | Path);

  /**
   * The root folder of the git repo that this `GitRepo` object represents (the
   * folder that contains the '.git' folder).
   */
  repoDir: Path;

  /**
   * Returns the commit SHA the git repo is currently pointed at.
   *
   * This is done by running `git rev-parse HEAD`.
   */
  commitSHA(): string;

  /**
   * If the commit SHA the git repo is currently pointed at is the tip of a
   * named branch, returns the branch name. Otherwise, returns `null`.
   *
   * This is done by running `git rev-parse --abbrev-ref HEAD`.
   */
  branchName(): string | null;

  /**
   * Returns a boolean indicating whether there are uncommited changes in the
   * git repo. `true` means there are changes, `false` means there are no
   * changes (ie. the repo is clean).
   *
   * This is done by running `git status --quiet`.
   */
  isWorkingTreeDirty(): boolean;

  /**
   * Returns whether the provided path is ignored by git.
   *
   * If `path` is an absolute path, it must be a child directory of this GitRepo
   * object's `repoDir`, or else an error will be thrown.
   */
  isIgnored(path: string | Path): boolean;
}

/**
 * The logger used internally by yavascript API functions such as {@link which},
 * {@link exec}, {@link copy}, {@link glob}, and more.
 *
 * You can modify the properties on this object in order to configure the
 * amount and style of log output from yavascript API functions.
 *
 * This object behaves similarly to the shell builtin `set -x`.
 */
declare const logger: {
  /**
   * This property is used as the default value for `trace` in yavascript API
   * functions which receive `logging.trace` as an option, like {@link which},
   * {@link exec}, {@link copy} and {@link glob}.
   *
   * The default value of `logger.trace` is a no-op function.
   */
  trace: (...args: Array<any>) => void;

  /**
   * This property is used as the default value for `info` in yavascript API
   * functions which receive `logging.info` as an option, like {@link exec},
   * {@link copy}, and {@link glob}.
   *
   * The default value of `logger.info` writes dimmed text to stdout.
   */
  info: (...args: Array<any>) => void;
};

declare namespace JSX {
  /**
   * A string containing the expression that should be called to create JSX
   * elements. yavascript's internals use this string to transpile JSX syntax.
   *
   * Defaults to "JSX.createElement".
   *
   * If changed, any JSX code loaded afterwards will use a different
   * expression.
   *
   * Note that if you change this, you need to verify that the following
   * expression always evaluates to `true` (by changing {@link types.JSX.Element}
   * and {@link types.JSX.Fragment}):
   * ```jsx
   * types.JSX.Element(<a />) && types.JSX.Fragment(<></>)
   * ```
   *
   * Failure to uphold this guarantee indicates a bug.
   */
  export let pragma: string;

  /**
   * A string containing the expression that should be used as the first
   * parameter when creating JSX fragment elements. yavascript's internals use
   * this string to transpile JSX syntax.
   *
   * Defaults to "JSX.Fragment".
   *
   * If changed, any JSX code loaded afterwards will use a different
   * expression.
   *
   * Note that if you change this, you need to verify that the following
   * expression always evaluates to `true` (by changing {@link types.JSX.Element}
   * and {@link types.JSX.Fragment}):
   * ```jsx
   * types.JSX.Element(<a />) && types.JSX.Fragment(<></>)
   * ```
   *
   * Failure to uphold this guarantee indicates a bug.
   */
  export let pragmaFrag: string;

  export const Element: unique symbol;

  export interface Element<
    Props = { [key: string | symbol | number]: any },
    Type = any
  > {
    $$typeof: typeof Element;
    type: Type;
    props: Props;
    key: string | number | null;
  }

  /**
   * The value which gets passed into the JSX element constructor (as
   * determined by {@link JSX.pragma}) when JSX fragment syntax is used (unless
   * {@link JSX.pragmaFrag} is changed).
   */
  export const Fragment: unique symbol;

  export type Fragment = Element<{}, typeof Fragment>;

  /**
   * The JSX element builder function, which gets invoked whenever JSX syntax is
   * used (unless {@link JSX.pragma} is changed).
   *
   * Note that if you change this, you need to verify that the following
   * expression always evaluates to `true` (by changing {@link types.JSX.Element}
   * and {@link types.JSX.Fragment}):
   * ```jsx
   * types.JSX.Element(<a />) && types.JSX.Fragment(<></>)
   * ```
   *
   * Failure to uphold this guarantee indicates a bug.
   */
  export let createElement: {
    <Type extends string | typeof Fragment | ((...args: any) => any)>(
      type: Type
    ): Element<{}, Type>;
    <
      Type extends string | typeof Fragment | ((...args: any) => any),
      Props extends { [key: string | number | symbol]: any }
    >(
      type: Type,
      props: Props
    ): Element<Props, Type>;

    <
      Type extends string | typeof Fragment | ((...args: any) => any),
      Props extends { [key: string | number | symbol]: any },
      Children extends Array<any>
    >(
      type: Type,
      props: Props,
      ...children: Children
    ): Element<Props & { children: Children }, Type>;

    <
      Type extends string | typeof Fragment | ((...args: any) => any),
      Children extends Array<any>
    >(
      type: Type,
      ...children: Children
    ): Element<{ children: Children }, Type>;
  };
}

declare const YAML: {
  /**
   * Parse a YAML document (`input`) into a JSON-compatible value.
   */
  parse(
    input: string,
    reviver?: (this: any, key: string, value: any) => any
  ): any;

  /**
   * Convert a JSON-compatible value into a YAML document.
   */
  stringify(
    input: any,
    replacer?:
      | ((this: any, key: string, value: any) => any)
      | (number | string)[]
      | null,
    indent?: number
  ): string;
};

declare const CSV: {
  /**
   * Parse a CSV string into an Array of Arrays of strings.
   *
   * The outer array holds the rows, and the inner arrays hold the items in
   * each row.
   */
  parse(input: string): Array<Array<string>>;

  /**
   * Convert an Array of Arrays of strings into a CSV string.
   *
   * The outer array holds the rows, and the inner arrays hold the items in
   * each row.
   */
  stringify(input: Array<Array<string>>): string;
};

declare var TOML: {
  /**
   * Parse a TOML document (`data`) into an object.
   */
  parse(data: string): { [key: string]: any };
  /**
   * Convert an object into a TOML document.
   */
  stringify(data: { [key: string]: any }): string;
};

interface RegExpConstructor {
  /** See https://github.com/tc39/proposal-regex-escaping */
  escape(str: any): string;
}

interface StringConstructor {
  /**
   * Remove leading minimum indentation from the string.
   * The first line of the string must be empty.
   *
   * https://github.com/tc39/proposal-string-dedent
   */
  dedent: {
    /**
     * Remove leading minimum indentation from the string.
     * The first line of the string must be empty.
     *
     * https://github.com/tc39/proposal-string-dedent
     */
    (input: string): string;

    /**
     * Remove leading minimum indentation from the template literal.
     * The first line of the string must be empty.
     *
     * https://github.com/tc39/proposal-string-dedent
     */
    (
      strings: readonly string[] | ArrayLike<string>,
      ...substitutions: unknown[]
    ): string;

    /**
     * Wrap another template tag function such that tagged literals
     * become dedented before being passed to the wrapped function.
     *
     * https://www.npmjs.com/package/string-dedent#usage
     */
    <
      Func extends (
        strings: readonly string[] | ArrayLike<string>,
        ...substitutions: any[]
      ) => string
    >(
      input: Func
    ): Func;
  };
}

// prettier-ignore
/** Any integer in the range [0, 255]. */
declare type byte =
|   0 |   1 |   2 |   3 |   4 |   5 |   6 |   7 |   8 |   9 |  10 |  11 |  12 |  13 |  14 |  15 
|  16 |  17 |  18 |  19 |  20 |  21 |  22 |  23 |  24 |  25 |  26 |  27 |  28 |  29 |  30 |  31 
|  32 |  33 |  34 |  35 |  36 |  37 |  38 |  39 |  40 |  41 |  42 |  43 |  44 |  45 |  46 |  47 
|  48 |  49 |  50 |  51 |  52 |  53 |  54 |  55 |  56 |  57 |  58 |  59 |  60 |  61 |  62 |  63 
|  64 |  65 |  66 |  67 |  68 |  69 |  70 |  71 |  72 |  73 |  74 |  75 |  76 |  77 |  78 |  79 
|  80 |  81 |  82 |  83 |  84 |  85 |  86 |  87 |  88 |  89 |  90 |  91 |  92 |  93 |  94 |  95 
|  96 |  97 |  98 |  99 | 100 | 101 | 102 | 103 | 104 | 105 | 106 | 107 | 108 | 109 | 110 | 111 
| 112 | 113 | 114 | 115 | 116 | 117 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | 126 | 127 
| 128 | 129 | 130 | 131 | 132 | 133 | 134 | 135 | 136 | 137 | 138 | 139 | 140 | 141 | 142 | 143 
| 144 | 145 | 146 | 147 | 148 | 149 | 150 | 151 | 152 | 153 | 154 | 155 | 156 | 157 | 158 | 159 
| 160 | 161 | 162 | 163 | 164 | 165 | 166 | 167 | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 
| 176 | 177 | 178 | 179 | 180 | 181 | 182 | 183 | 184 | 185 | 186 | 187 | 188 | 189 | 190 | 191 
| 192 | 193 | 194 | 195 | 196 | 197 | 198 | 199 | 200 | 201 | 202 | 203 | 204 | 205 | 206 | 207 
| 208 | 209 | 210 | 211 | 212 | 213 | 214 | 215 | 216 | 217 | 218 | 219 | 220 | 221 | 222 | 223 
| 224 | 225 | 226 | 227 | 228 | 229 | 230 | 231 | 232 | 233 | 234 | 235 | 236 | 237 | 238 | 239 
| 240 | 241 | 242 | 243 | 244 | 245 | 246 | 247 | 248 | 249 | 250 | 251 | 252 | 253 | 254 | 255;

// Convenience aliases to provide parity with TypeScript types.
declare var number: NumberConstructor;
declare var string: StringConstructor;
declare var boolean: BooleanConstructor;
declare var bigint: BigIntConstructor;
declare var symbol: SymbolConstructor;

declare type TypedArray =
  | Int8Array
  | Uint8Array
  | Uint8ClampedArray
  | Int16Array
  | Uint16Array
  | Int32Array
  | Uint32Array
  | Float32Array
  | Float64Array;
declare type TypedArrayConstructor =
  | Int8ArrayConstructor
  | Uint8ArrayConstructor
  | Uint8ClampedArrayConstructor
  | Int16ArrayConstructor
  | Uint16ArrayConstructor
  | Int32ArrayConstructor
  | Uint32ArrayConstructor
  | Float32ArrayConstructor
  | Float64ArrayConstructor;

interface ErrorOptions {
  [key: string]: any;
}

// ==========================================
// ------------------------------------------
// QuickJS APIs, which YavaScript builds upon
// ------------------------------------------
// ==========================================
interface ObjectConstructor {
  /**
   * Convert the specified value to a primitive value.
   *
   * The provided hint indicates a preferred return type, which may or may not
   * be respected by the engine.
   *
   * See the abstract operation "ToPrimitive" in the ECMAScript standard for
   * more info.
   */
  toPrimitive(
    input: any,
    hint: "string" | "number" | "default"
  ): string | number | bigint | boolean | undefined | symbol | null;

  /**
   * Returns a boolean indicating whether the specified value is a primitive value.
   */
  isPrimitive(input: any): boolean;
}

interface StringConstructor {
  /**
   * A no-op template literal tag.
   *
   * https://github.com/tc39/proposal-string-cooked
   */
  cooked(
    strings: readonly string[] | ArrayLike<string>,
    ...substitutions: any[]
  ): string;
}

interface SymbolConstructor {
  /**
   * A method that changes the result of using the `typeof` operator on the
   * object. Called by the semantics of the typeof operator.
   *
   * Note that the following semantics will come into play when use of the
   * `typeof` operator causes the engine to call a `Symbol.typeofValue` method
   * on an object:
   *
   * - If the method returns any value other than one of the string values
   *   which are normally the result of using the `typeof` operator, the engine
   *   behaves as if no `Symbol.typeofValue` method was present on the object.
   * - If an error is thrown from this method, or an error is thrown while
   *   accessing this property, the error will be silently ignored, and the
   *   engine will behave as if no `Symbol.typeofValue` method was present on
   *   the object.
   * - If this property is present on an object, but the value of that property
   *   is not a function, the engine will not consider that value when
   *   determining the result of the `typeof` operation (it'll ignore it).
   */
  readonly typeofValue: unique symbol;

  /**
   * To override operators (+, -, ==, etc) for an object, set its
   * `Symbol.operatorSet` property to an `OperatorSet` object, which can be
   * created via `Operators.create`.
   */
  readonly operatorSet: unique symbol;
}

/**
 * An object that, if placed on another object's `Symbol.operatorSet` property,
 * will overload its operators to behave as defined by the functions this
 * OperatorSet was constructed with.
 *
 * You can create an OperatorSet via `Operators(...)` or
 * `Operators.create(...)`.
 */
declare type OperatorSet = {
  /**
   * This property is not here at runtime; we just use it to make this type
   * differ from an empty object.
   */
  __is__: "OperatorSet";
};

interface OperatorFunctions<Left, Right> {
  "+": (left: Left, right: Right) => any;
  "-": (left: Left, right: Right) => any;
  "*": (left: Left, right: Right) => any;
  "/": (left: Left, right: Right) => any;
  "%": (left: Left, right: Right) => any;
  "**": (left: Left, right: Right) => any;
  "|": (left: Left, right: Right) => any;
  "&": (left: Left, right: Right) => any;
  "^": (left: Left, right: Right) => any;
  "<<": (left: Left, right: Right) => any;
  ">>": (left: Left, right: Right) => any;
  ">>>": (left: Left, right: Right) => any;
  "==": (left: Left, right: Right) => any;
  "<": (left: Left, right: Right) => any;
  pos: (left: Left, right: Right) => any;
  neg: (left: Left, right: Right) => any;
  "++": (left: Left, right: Right) => any;
  "--": (left: Left, right: Right) => any;
  "~": (left: Left, right: Right) => any;
}

interface SelfOperators<T> extends Partial<OperatorFunctions<T, T>> {
  left?: undefined;
  right?: undefined;
}

interface LeftOperators<T, Left> extends Partial<OperatorFunctions<Left, T>> {
  left: {};
  right?: undefined;
}

interface RightOperators<T, Right>
  extends Partial<OperatorFunctions<T, Right>> {
  left?: undefined;
  right: {};
}

interface OperatorsConstructor {
  /**
   * Creates a new OperatorSet object, which should be placed on an object's
   * Symbol.operatorSet property.
   */
  <T>(
    selfOperators?: SelfOperators<T>,
    ...otherOperators: Array<LeftOperators<T, any> | RightOperators<T, any>>
  ): OperatorSet;

  /**
   * Creates a new OperatorSet object, which should be placed on an object's
   * Symbol.operatorSet property.
   */
  create: <T>(
    selfOperators?: SelfOperators<T>,
    ...otherOperators: Array<LeftOperators<T, any> | RightOperators<T, any>>
  ) => OperatorSet;

  /**
   * In math mode, the BigInt division and power operators can be overloaded by
   * using this function.
   */
  updateBigIntOperators(
    ops: Pick<OperatorFunctions<BigInt, BigInt>, "/" | "**">
  ): void;
}

declare var Operators: OperatorsConstructor;

interface Number {
  [Symbol.operatorSet]: OperatorSet;
}

interface Boolean {
  [Symbol.operatorSet]: OperatorSet;
}

interface String {
  [Symbol.operatorSet]: OperatorSet;
}

interface BigInt {
  [Symbol.operatorSet]: OperatorSet;
}

interface BigIntConstructor {
  /**
   * Return trunc(a/b).
   *
   * b = 0 raises a RangeError exception.
   */
  tdiv(a: bigint, b: bigint): bigint;

  /**
   * Return \lfloor a/b \rfloor.
   *
   * b = 0 raises a RangeError exception.
   */
  fdiv(a: bigint, b: bigint): bigint;

  /**
   * Return \lceil a/b \rceil.
   *
   * b = 0 raises a RangeError exception.
   */
  cdiv(a: bigint, b: bigint): bigint;

  /**
   * Return sgn(b) \lfloor a/{|b|} \rfloor (Euclidian division).
   *
   * b = 0 raises a RangeError exception.
   */
  ediv(a: bigint, b: bigint): bigint;

  /**
   * Perform trunc(a/b) and return an array of two elements. The first element
   * is the quotient, the second is the remainder.
   *
   * b = 0 raises a RangeError exception.
   */
  tdivrem(a: bigint, b: bigint): [bigint, bigint];

  /**
   * Perform \lfloor a/b \rfloor and return an array of two elements. The first
   * element is the quotient, the second is the remainder.
   *
   * b = 0 raises a RangeError exception.
   */
  fdivrem(a: bigint, b: bigint): [bigint, bigint];

  /**
   * Perform \lceil a/b \rceil and return an array of two elements. The first
   * element is the quotient, the second is the remainder.
   *
   * b = 0 raises a RangeError exception.
   */
  cdivrem(a: bigint, b: bigint): [bigint, bigint];

  /**
   * Perform sgn(b) \lfloor a/{|b|} \rfloor (Euclidian division) and return an
   * array of two elements. The first element is the quotient, the second is
   * the remainder.
   *
   * b = 0 raises a RangeError exception.
   */
  edivrem(a: bigint, b: bigint): [bigint, bigint];

  /**
   * Return \lfloor \sqrt(a) \rfloor.
   *
   * A RangeError exception is raised if a < 0.
   */
  sqrt(a: bigint): bigint;

  /**
   * Return an array of two elements. The first element is
   * \lfloor \sqrt{a} \rfloor. The second element is
   * a-\lfloor \sqrt{a} \rfloor^2.
   *
   * A RangeError exception is raised if a < 0.
   */
  sqrtrem(a: bigint): [bigint, bigint];

  /**
   * Return -1 if a \leq 0 otherwise return \lfloor \log2(a) \rfloor.
   */
  floorLog2(a: bigint): bigint;

  /**
   * Return the number of trailing zeros in the two’s complement binary representation of a.
   *
   * Return -1 if a=0.
   */
  ctz(a: bigint): bigint;
}

declare type BigFloatRoundingMode = number & {
  /**
   * This property is not here at runtime; we just use it to make this type
   * differ from a normal number
   */
  __is__: "BigFloatRoundingMode";
};

interface BigFloatEnvConstructor {
  /**
   * Creates a new floating point environment. Its status flags are reset.
   *
   * - If unspecified, `precision` defaults to the precision from the global floating point environment.
   * - If unspecified, `roundingMode` defaults to RNDN.
   */
  new (precision?: number, roundingMode?: BigFloatRoundingMode): BigFloatEnv;

  /**
   * The mantissa precision in bits of the global floating point environment.
   *
   * The initial value is 113.
   */
  get prec(): number;

  /**
   * The exponent size in bits of the global floating point environment,
   * assuming an IEEE 754 representation.
   *
   * The initial value is 15.
   */
  get expBits(): number;

  /**
   * Sets the mantissa precision of the global floating point environment to
   * `prec` and the exponent size to `expBits`, then calls the function `func`.
   * Then the precision and exponent size are reset to their previous values
   * and the return value of `func` is returned (or an exception is raised if
   * `func` raised an exception).
   *
   * If expBits is undefined, it is set to {@link BigFloatEnv.expBitsMax}.
   *
   * @param func The function to call within the modified environment
   * @param prec The mantissa precision (in bits) to use in the modified environment
   * @param expBits The exponent size (in bits) to use in the modified environment. Defaults to {@link BigFloatEnv.expBitsMax}.
   */
  setPrec<Ret>(func: () => Ret, prec: number, expBits?: number): Ret;

  /**
   * Integer; the minimum allowed precision. Must be at least 2.
   */
  readonly precMin: number;

  /**
   * Integer; the maximum allowed precision. Must be at least 113.
   */
  readonly precMax: number;

  /**
   * Integer; the minimum allowed exponent size in bits. Must be at least 3.
   */
  readonly expBitsMin: number;

  /**
   * Integer; the maximum allowed exponent size in bits. Must be at least 15.
   */
  readonly expBitsMax: number;

  /**
   * Round to nearest, with ties to even rounding mode.
   */
  readonly RNDN: BigFloatRoundingMode;

  /**
   * Round to zero rounding mode.
   */
  readonly RNDZ: BigFloatRoundingMode;

  /**
   * Round to -Infinity rounding mode.
   */
  readonly RNDD: BigFloatRoundingMode;

  /**
   * Round to +Infinity rounding mode.
   */
  readonly RNDU: BigFloatRoundingMode;

  /**
   * Round to nearest, with ties away from zero rounding mode.
   */
  readonly RNDNA: BigFloatRoundingMode;

  /**
   * Round away from zero rounding mode.
   */
  readonly RNDA: BigFloatRoundingMode;

  /**
   * Faithful rounding mode. The result is non-deterministically rounded to
   * -Infinity or +Infinity.
   *
   * This rounding mode usually gives a faster and deterministic running time
   * for the floating point operations.
   */
  readonly RNDF: BigFloatRoundingMode;

  prototype: BigFloatEnv;
}

declare var BigFloatEnv: BigFloatEnvConstructor;

/**
 * A BigFloatEnv contains:
 *
 * - the mantissa precision in bits
 * - the exponent size in bits assuming an IEEE 754 representation;
 * - the subnormal flag (if true, subnormal floating point numbers can be generated by the floating point operations).
 * - the rounding mode
 * - the floating point status. The status flags can only be set by the floating point operations. They can be reset with BigFloatEnv.prototype.clearStatus() or with the various status flag setters.
 */
interface BigFloatEnv {
  /**
   * The mantissa precision, in bits.
   *
   * If precision was not specified as an argument to the BigFloatEnv
   * constructor, defaults to the precision value of the global floating-point
   * environment ({@link BigFloatEnv.prec}).
   */
  get prec(): number;
  set prec(newValue: number);

  /**
   * The exponent size in bits assuming an IEEE 754 representation.
   *
   * Defaults to the exponent size of the global floating-point environment
   * ({@link BigFloatEnv.expBits}).
   */
  get expBits(): number;
  set expBits(newValue: number);

  /**
   * The rounding mode.
   *
   * If the rounding mode was not specified as an argument to the BigFloatEnv
   * constructor, defaults to {@link BigFloatEnv.RNDN}.
   */
  get rndMode(): BigFloatRoundingMode;
  set rndMode(newMode: BigFloatRoundingMode);

  /** subnormal flag. It is false when expBits = expBitsMax. Defaults to false. */
  get subnormal(): boolean;
  set subnormal(newValue: boolean);

  /** Status flag; cleared by `clearStatus`. */
  get invalidOperation(): boolean;
  set invalidOperation(newValue: boolean);

  /** Status flag; cleared by `clearStatus`. */
  get divideByZero(): boolean;
  set divideByZero(newValue: boolean);

  /** Status flag; cleared by `clearStatus`. */
  get overflow(): boolean;
  set overflow(newValue: boolean);

  /** Status flag; cleared by `clearStatus`. */
  get underflow(): boolean;
  set underflow(newValue: boolean);

  /** Status flag; cleared by `clearStatus`. */
  get inexact(): boolean;
  set inexact(newValue: boolean);

  /**
   * Clear the status flags (invalidOperation, divideByZero, overflow,
   * underflow, and inexact).
   */
  clearStatus(): void;
}

interface BigFloatConstructor {
  /**
   * If `value` is a numeric type, it is converted to BigFloat without rounding.
   *
   * If `value`` is a string, it is converted to BigFloat using the precision of the global floating point environment ({@link BigFloatEnv.prec}).
   */
  (value: number | string | BigInt | BigFloat): BigFloat;

  prototype: BigFloat;

  /**
   * The value of {@link Math.LN2} rounded to nearest, ties to even with the
   * current global precision.
   *
   * The constant values are cached for small precisions.
   */
  get LN2(): BigFloat;

  /**
   * The value of {@link Math.PI} rounded to nearest, ties to even with
   * the current global precision.
   *
   * The constant values are cached for small precisions.
   */
  get PI(): BigFloat;

  /**
   * The value of {@link Number.MIN_VALUE} as a BigFloat.
   */
  get MIN_VALUE(): BigFloat;

  /**
   * The value of {@link Number.MAX_VALUE} as a BigFloat.
   */
  get MAX_VALUE(): BigFloat;

  /**
   * The value of {@link Number.EPSILON} as a BigFloat.
   */
  get EPSILON(): BigFloat;

  /**
   * Rounds the floating point number `a` according to the floating point
   * environment `e` or the global environment if `e` is undefined.
   */
  fpRound(a: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Parses the string `a` as a floating point number in radix `radix`.
   *
   * The radix is 0 (default) or from 2 to 36. The radix 0 means radix 10
   * unless there is a hexadecimal or binary prefix.
   *
   * The result is rounded according to the floating point environment `e` or
   * the global environment if `e` is undefined.
   */
  parseFloat(a: string, radix?: number, e?: BigFloatEnv): BigFloat;

  /**
   * Returns true if `a` is a finite bigfloat. Returns false otherwise.
   */
  isFinite(a: BigFloat): boolean;

  /**
   * Returns true if a is a NaN bigfloat. Returns false otherwise.
   */
  isNaN(a: BigFloat): boolean;

  /**
   * Adds `a` and `b` together and rounds the resulting floating point number
   * according to the floating point environment `e`, or the global environment
   * if e is undefined.
   *
   * If `e` is specified, the floating point status flags on `e` are updated.
   */
  add(a: BigFloat, b: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Subtracts `b` from `a` and rounds the resulting floating point number
   * according to the floating point environment `e`, or the global environment
   * if e is undefined.
   *
   * If `e` is specified, the floating point status flags on `e` are updated.
   */
  sub(a: BigFloat, b: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Multiplies `a` and `b` together and rounds the resulting floating point
   * number according to the floating point environment `e`, or the global
   * environment if e is undefined.
   *
   * If `e` is specified, the floating point status flags on `e` are updated.
   */
  mul(a: BigFloat, b: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Divides `a` by `b` and rounds the resulting floating point number
   * according to the floating point environment `e`, or the global environment
   * if e is undefined.
   *
   * If `e` is specified, the floating point status flags on `e` are updated.
   */
  div(a: BigFloat, b: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Rounds `x` down to the nearest integer.
   *
   * No additional rounding (ie. BigFloatEnv-related rounding) is performed.
   */
  floor(x: BigFloat): BigFloat;

  /**
   * Rounds `x` up to the nearest integer.
   *
   * No additional rounding (ie. BigFloatEnv-related rounding) is performed.
   */
  ceil(x: BigFloat): BigFloat;

  /**
   * Rounds `x` to the nearest integer.
   *
   * No additional rounding (ie. BigFloatEnv-related rounding) is performed.
   */
  round(x: BigFloat): BigFloat;

  /**
   * Truncates the fractional part of `x`, resulting in an integer.
   *
   * No additional rounding (ie. BigFloatEnv-related rounding) is performed.
   */
  trunc(x: BigFloat): BigFloat;

  /**
   * Returns the absolute value of `x`.
   *
   * No additional rounding (ie. BigFloatEnv-related rounding) is performed.
   */
  abs(x: BigFloat): BigFloat;

  /**
   * Floating point remainder. The quotient is truncated to zero.
   *
   * `e` is an optional floating point environment.
   */
  fmod(x: BigFloat, y: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Floating point remainder. The quotient is rounded to the nearest integer
   * with ties to even.
   *
   * `e` is an optional floating point environment.
   */
  remainder(x: BigFloat, y: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Square root. Returns a rounded floating point number.
   *
   * e is an optional floating point environment.
   */
  sqrt(x: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  sin(x: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  cos(x: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  tan(x: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  asin(x: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  acos(x: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  atan(x: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  atan2(x: BigFloat, y: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  exp(x: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  log(x: BigFloat, e?: BigFloatEnv): BigFloat;

  /**
   * Returns a rounded floating point number.
   *
   * `e` is an optional floating point environment.
   */
  pow(x: BigFloat, y: BigFloat, e?: BigFloatEnv): BigFloat;
}

declare var BigFloat: BigFloatConstructor;

/**
 * The BigFloat type represents floating point numbers in base 2 with the IEEE 754 semantics.
 *
 * A floating point number is represented as a sign, mantissa and exponent.
 *
 * The special values NaN, +/-Infinity, +0 and -0 are supported.
 *
 * The mantissa and exponent can have any bit length with an implementation specific minimum and maximum.
 */
interface BigFloat {
  valueOf(): BigFloat;

  /** radix must be between 2 and 36 */
  toString(radix?: number): string;

  /**
   * Returns a string containing a number represented either in exponential or
   * fixed-point notation with a specified number of digits.
   *
   * @param precision Number of significant digits. There is no range limit on this number.
   * @param roundingMode The rounding mode to use when representing the value. Defaults to {@link BigFloatEnv.RNDNA}.
   * @param radix The base to use when representing the value. Must be an integer between 2 and 36. Defaults to 10.
   */
  toPrecision(
    precision: number,
    roundingMode?: BigFloatRoundingMode,
    radix?: number
  ): string;

  /**
   * Returns a string representing a number in fixed-point notation.
   *
   * @param fractionDigits Number of digits after the decimal point. There is no range limit on this number.
   * @param roundingMode The rounding mode to use when representing the value. Defaults to {@link BigFloatEnv.RNDNA}.
   * @param radix The base to use when representing the value. Must be an integer between 2 and 36. Defaults to 10.
   */
  toFixed(
    fractionDigits: number,
    roundingMode?: BigFloatRoundingMode,
    radix?: number
  ): string;

  /**
   * Returns a string containing a number represented in exponential notation.
   *
   * @param fractionDigits Number of digits after the decimal point. Must be in the range 0 - 20, inclusive.
   * @param roundingMode The rounding mode to use when representing the value. Defaults to {@link BigFloatEnv.RNDNA}.
   * @param radix The base to use when representing the value. Must be an integer between 2 and 36. Defaults to 10.
   */
  toExponential(
    fractionDigits: number,
    roundingMode?: BigFloatRoundingMode,
    radix?: number
  ): string;

  [Symbol.typeofValue]: () => "bigfloat";
}

declare type BigDecimalRoundingMode =
  | "floor"
  | "ceiling"
  | "down"
  | "up"
  | "half-even"
  | "half-up";

declare type BigDecimalRoundingObject =
  | {
      /** must be >= 1 */
      maximumSignificantDigits: number;
      roundingMode: BigDecimalRoundingMode;
    }
  | {
      /** must be >= 0 */
      maximumFractionDigits: number;
      roundingMode: BigDecimalRoundingMode;
    };

interface BigDecimalConstructor {
  (): BigDecimal;
  (value: number | string | BigInt | BigFloat): BigDecimal;

  /**
   * Adds together `a` and `b` and rounds the result according to the rounding
   * object `e`. If the rounding object is not present, the operation is
   * executed with infinite precision; in other words, no rounding occurs when
   * the rounding object is not present.
   */
  add(a: BigDecimal, b: BigDecimal, e?: BigDecimalRoundingObject): BigDecimal;

  /**
   * Subtracts `b` from `a` and rounds the result according to the rounding
   * object `e`. If the rounding object is not present, the operation is
   * executed with infinite precision; in other words, no rounding occurs when
   * the rounding object is not present.
   */
  sub(a: BigDecimal, b: BigDecimal, e?: BigDecimalRoundingObject): BigDecimal;

  /**
   * Multiplies together `a` and `b` and rounds the result according to the
   * rounding object `e`. If the rounding object is not present, the operation
   * is executed with infinite precision; in other words, no rounding occurs
   * when the rounding object is not present.
   */
  mul(a: BigDecimal, b: BigDecimal, e?: BigDecimalRoundingObject): BigDecimal;

  /**
   * Divides `a` by `b` and rounds the result according to the rounding object
   * `e`.
   *
   * If the rounding object is not present, an attempt is made to perform the
   * operation with infinite precision. However, not all quotients can be
   * represented with infinite precision. If the quotient cannot be represented
   * with infinite precision, a RangeError is thrown.
   *
   * A RangeError is thrown when dividing by zero.
   */
  div(a: BigDecimal, b: BigDecimal, e?: BigDecimalRoundingObject): BigDecimal;

  /**
   * Perform the modulo operation of `a` by `b` and round the result according
   * to the rounding object `e`. If the rounding object is not present, the
   * operation is executed with infinite precision; in other words, no rounding
   * occurs when the rounding object is not present.
   */
  mod(a: BigDecimal, b: BigDecimal, e?: BigDecimalRoundingObject): BigDecimal;

  /**
   * Obtain the square root of `a`, rounding the result according to the
   * rounding object `e`.
   *
   * If `a` is less than zero, a RangeError will be thrown.
   *
   * Note that the rounding object is *required*.
   */
  sqrt(a: BigDecimal, e: BigDecimalRoundingObject): BigDecimal;

  /**
   * Rounds `a` using the rounding object `e`.
   */
  round(a: BigDecimal, e: BigDecimalRoundingObject): BigDecimal;

  prototype: BigDecimal;
}

declare var BigDecimal: BigDecimalConstructor;

/**
 * The BigDecimal type represents floating point numbers in base 10.
 *
 * It is inspired from the proposal available at https://github.com/littledan/proposal-bigdecimal.
 *
 * The BigDecimal floating point numbers are always normalized and finite.
 * There is no concept of -0, Infinity or NaN. By default, all the computations
 * are done with infinite precision.
 */
interface BigDecimal {
  /**
   * Returns the bigdecimal primitive value corresponding to this BigDecimal.
   */
  valueOf(): BigDecimal;

  /**
   * Converts this BigDecimal to a string with infinite precision in base 10.
   */
  toString(): string;

  /**
   * Returns a string containing a number represented either in exponential or
   * fixed-point notation with a specified number of digits.
   *
   * @param precision Number of significant digits. There is no range limit on this number.
   * @param roundingMode The rounding mode to use when representing the value. Defaults to "half-up".
   */
  toPrecision(precision: number, roundingMode?: BigDecimalRoundingMode): string;

  /**
   * Returns a string representing a number in fixed-point notation.
   *
   * @param fractionDigits Number of digits after the decimal point. There is no range limit on this number.
   * @param roundingMode The rounding mode to use when representing the value. Defaults to "half-up".
   */
  toFixed(
    fractionDigits: number,
    roundingMode?: BigDecimalRoundingMode
  ): string;

  /**
   * Returns a string containing a number represented in exponential notation.
   *
   * @param fractionDigits Number of digits after the decimal point. Must be in the range 0 - 20, inclusive.
   * @param roundingMode The rounding mode to use when representing the value. Defaults to "half-up".
   */
  toExponential(
    fractionDigits: number,
    roundingMode?: BigDecimalRoundingMode
  ): string;
}

// Note that BigFloat and BigDecimal have custom operator overloads defined in
// QuickJS, but TypeScript does not support operator overloading. As such,
// TypeScript will not understand or handle unary/binary operators for BigFloat
// and BigDecimal properly.

/**
 * Print the arguments separated by spaces and a trailing newline.
 *
 * Non-string args are coerced into a string via [ToString](https://tc39.es/ecma262/#sec-tostring).
 * Objects can override the default `ToString` behavior by defining a `toString` method.
 */
declare var print: (...args: Array<any>) => void;

/**
 * Object that provides functions for logging information.
 */
interface Console {
  /** Same as {@link print}(). */
  log: typeof print;

  /** Same as {@link print}(). */
  warn: typeof print;

  /** Same as {@link print}(). */
  error: typeof print;

  /** Same as {@link print}(). */
  info: typeof print;
}

declare var console: Console;

/** npm: @suchipi/print@2.5.0. License: ISC */
/* (with some QuickJS-specific modifications) */

/*
Copyright (c) 2016-2022, John Gardner
Copyright (c) 2022 Lily Skye

Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

/**
 * Options for {@link inspect}.
 */
declare interface InspectOptions {
  /** Whether to display non-enumerable properties. Defaults to false. */
  all?: boolean;

  /** Whether to invoke getter functions. Defaults to false. */
  followGetters?: boolean;

  /** Whether to display the indexes of iterable entries. Defaults to false. */
  indexes?: boolean;

  /** Hide object details after 𝑁 recursions. Defaults to Infinity. */
  maxDepth?: number;

  /** If true, don't identify well-known symbols as `@@…`. Defaults to false. */
  noAmp?: boolean;

  /** If true, don't format byte-arrays as hexadecimal. Defaults to false. */
  noHex?: boolean;

  /** If true, don't display function source code. Defaults to false. */
  noSource?: boolean;

  /** Whether to show `__proto__` properties if possible. Defaults to false. */
  proto?: boolean;

  /** Whether to sort properties alphabetically. When false, properties are sorted by creation order. Defaults to false. */
  sort?: boolean;

  /** Options that control whether and how ANSI terminal escape sequences for colours should be added to the output. Defaults to false, meaning no colours. */
  colours?: boolean | 256 | 8 | InspectColours;

  /** Prefix string to use for indentation. Defaults to '\t'. */
  indent?: string;
}

declare interface InspectColours {
  off?: string | number;
  red?: string | number;
  grey?: string | number;
  green?: string | number;
  darkGreen?: string | number;
  punct?: string | number;
  keys?: string | number;
  keyEscape?: string | number;
  typeColour?: string | number;
  primitive?: string | number;
  escape?: string | number;
  date?: string | number;
  hexBorder?: string | number;
  hexValue?: string | number;
  hexOffset?: string | number;
  reference?: string | number;
  srcBorder?: string | number;
  srcRowNum?: string | number;
  srcRowText?: string | number;
  nul?: string | number;
  nulProt?: string | number;
  undef?: string | number;
  noExts?: string | number;
  frozen?: string | number;
  sealed?: string | number;
  regex?: string | number;
  string?: string | number;
  symbol?: string | number;
  symbolFade?: string | number;
  braces?: string | number;
  quotes?: string | number;
  empty?: string | number;
  dot?: string | number;
}

declare interface InspectFunction {
  /**
   * Generate a human-readable representation of a value.
   *
   * @param value - Value to inspect
   * @param options - Additional settings for refining output
   * @returns A string representation of `value`.
   */
  (value: any, options?: InspectOptions): string;

  /**
   * Generate a human-readable representation of a value.
   *
   * @param value - Value to inspect
   * @param key - The value's corresponding member name
   * @param options - Additional settings for refining output
   * @returns A string representation of `value`.
   */
  (value: any, key?: string | symbol, options?: InspectOptions): string;

  /**
   * A symbol which can be used to customize how an object gets printed.
   */
  custom: symbol;
}

/**
 * Generate a human-readable representation of a value.
 *
 * @param value - Value to inspect
 * @param key - The value's corresponding member name
 * @param options - Additional settings for refining output
 * @returns A string representation of `value`.
 */
declare var inspect: InspectFunction;

declare interface InspectCustomInputs {
  key: string | symbol;
  type: string;
  brackets: [string, string];
  oneLine: boolean;
  linesBefore: Array<string>;
  linesAfter: Array<string>;
  propLines: Array<string>;
  readonly tooDeep: boolean;
  indent: string;
  typeSuffix: string;
  opts: InspectOptions;
  colours: { [Key in keyof Required<InspectColours>]: string };
}

declare type Interval = { [Symbol.toStringTag]: "Interval" };

declare function setInterval(func: (...args: any) => any, ms: number): Interval;
declare function clearInterval(interval: Interval): void;

// Definitions of the globals and modules added by quickjs-libc

/**
 * Provides the command line arguments. The first argument is the script name.
 */
declare var scriptArgs: Array<string>;

/** An object representing a file handle. */
declare interface FILE {
  /**
   * Human-readable description of where this FILE points.
   *
   * If `target` is a number, the FILE was opened with fdopen, and `target` is
   * the fd. Otherwise, `target` will be an arbitrary string that describes the
   * file; it may be the absolute path to the file, the relative path to the
   * file at time of its opening, or some other string like "stdin" or
   * "tmpfile".
   *
   * You should *not* use this property for anything other than logging and
   * debugging. It is *only* provided for debugging and/or troubleshooting
   * purposes. The value of this property could change at any time when
   * upgrading yavascript, even if upgrading by a minor or patch release.
   */
  target: string | number;

  /**
   * Close the file handle. Note that for files other than stdin/stdout/stderr,
   * the file will be closed automatically when the `FILE` object is
   * garbage-collected.
   */
  close(): void;

  /** Outputs the string with the UTF-8 encoding. */
  puts(...strings: Array<string>): void;

  /**
   * Formatted printf.
   *
   * The same formats as the standard C library `printf` are supported. Integer format types (e.g. `%d`) truncate the Numbers or BigInts to 32 bits. Use the `l` modifier (e.g. `%ld`) to truncate to 64 bits.
   */
  printf(fmt: string, ...args: Array<any>): void;

  /** Flush the buffered file. Wrapper for C `fflush`. */
  flush(): void;

  /** Sync the buffered file to disk. Wrapper for C `fsync`. */
  sync(): void;

  /**
   * Seek to a given file position (whence is `std.SEEK_*`).
   *
   * `offset` can be a number or a bigint.
   */
  seek(offset: number, whence: number): void;

  /** Return the current file position. */
  tell(): number;

  /** Return the current file position as a bigint. */
  tello(): BigInt;

  /** Return true if end of file. */
  eof(): boolean;

  /** Return the associated OS handle. */
  fileno(): number;

  /** Read `length` bytes from the file to the ArrayBuffer `buffer` at byte position `position` (wrapper to the libc `fread`). Returns the number of bytes read, or `0` if the end of the file has been reached.  */
  read(buffer: ArrayBuffer, position: number, length: number): number;

  /** Write `length` bytes from the ArrayBuffer `buffer` at byte position `position` into the file (wrapper to the libc `fwrite`). Returns the number of bytes written. */
  write(buffer: ArrayBuffer, position: number, length: number): number;

  /**
   * Write this file into `target`, using a memory buffer of size `bufferSize`.
   *
   * If `limit` is specified, only that amount of bytes will be read and
   * written. Otherwise, data is read and written until this file reaches EOF.
   *
   * A `limit` of 0 is treated the same as not specifying a limit.
   *
   * Internally, this function uses libc `fread` and `fwrite` in a loop.
   *
   * Returns the number of bytes read and written.
   */
  writeTo(target: FILE, bufferSize: number, limit?: number): number;

  /**
   * Return the next line from the file, assuming UTF-8 encoding, excluding the trailing line feed or EOF.
   *
   * If the end of the file has been reached, then `null` will be returned instead of a string.
   *
   * Note: Although the trailing line feed has been removed, a carriage return (`\r`) may still be present.
   */
  getline(): string | null;

  /** Read `maxSize` bytes from the file and return them as a string assuming UTF-8 encoding. If `maxSize` is not present, the file is read up its end. */
  readAsString(maxSize?: number): string;

  /** Return the next byte from the file. Return -1 if the end of file is reached. */
  getByte(): number;

  /** Write one byte to the file. */
  putByte(value: number): void;

  /**
   * Set the buffering mode and buffer size for the file stream (wrapper to the libc `setvbuf()`).
   *
   * Note that unlike the libc setvbuf, the "buffer" argument is not supported, and therefore is not present.
   *
   * @param mode The buffering mode to use. It can be one of the following values: `std._IOFBF` for full buffering, `std._IOLBF` for line buffering, or `std._IONBF` for no buffering.
   * @param size The size to resize the internal in-memory buffer for this file to.
   */
  setvbuf(mode: number, size: number): void;
}

declare module "quickjs:std" {
  /**
   * Set the exit code that the process should exit with in the future, if it
   * exits normally.
   *
   * Can only be called from the main thread.
   *
   * This exit code will only be used if the process exits "normally", ie, when
   * there are no more pending JS tasks/listeners. If an unhandled exception is
   * thrown, the process will always exit with status `1`, regardless of the
   * status code passed to `setExitCode`. If someone calls {@link exit} and
   * passes in a status code, that status code will take precedence over the
   * status code passed to `setExitCode`.
   *
   * @param statusCode The future exit code; 0 for success, nonzero for failure.
   */
  export function setExitCode(statusCode: number): void;

  /**
   * Return the exit code that was previously set by {@link setExitCode}, or 0 if
   * it hasn't yet been set.
   *
   * Can only be called from the main thread.
   */
  export function getExitCode(): number;

  /**
   * Exit the process with the provided status code.
   *
   * Can only be called from the main thread.
   *
   * If `statusCode` is not provided, a value previously passed into
   * {@link setExitCode} will be used. If no value was previously passed into
   * setExitCode, `0` will be used.
   *
   * @param statusCode The exit code; 0 for success, nonzero for failure.
   */
  export function exit(statusCode?: number): never;

  /**
   * Load the file `filename` and return it as a string assuming UTF-8 encoding.
   *
   * @param filename - The relative or absolute path to the file to load. Relative paths are resolved relative to the process's current working directory.
   */
  export function loadFile(filename: string): string;

  /**
   * Return a boolean indicating whether the provided value is a FILE object.
   *
   * @param value - The value to check.
   * @returns Whether the value was a `FILE` or not.
   */
  export function isFILE(value: any): boolean;

  /**
   * Open a file (wrapper to the libc `fopen()`).
   * Return the FILE object.
   *
   * @param filename - The relative or absolute path to the file to open. Relative paths are resolved relative to the process's current working directory.
   * @param flags - A string containing any combination of the characters 'r', 'w', 'a', '+', and/or 'b'.
   * @returns The opened FILE object.
   */
  export function open(filename: string, flags: string): FILE;

  /**
   * Open a process by creating a pipe (wrapper to the libc `popen()`).
   * Return the FILE object.
   *
   * @param command - The command line to execute. Gets passed via `/bin/sh -c`.
   * @param flags - A string containing any combination of the characters 'r', 'w', 'a', '+', and/or 'b'.
   * @returns The opened FILE object.
   */
  export function popen(command: string, flags: string): FILE;

  /**
   * Open a file from a file handle (wrapper to the libc `fdopen()`).
   * Return the FILE object.
   *
   * @param fd - The file handle to open.
   * @param flags - A string containing any combination of the characters 'r', 'w', 'a', '+', and/or 'b'.
   * @returns The opened FILE object.
   */
  export function fdopen(fd: number, flags: string): FILE;

  /**
   * Open a temporary file.
   * Return the FILE object.
   *
   * @returns The opened FILE object.
   */
  export function tmpfile(): FILE;

  /** Equivalent to `std.out.puts(str)`. */
  export function puts(...strings: Array<string>): void;

  /** Equivalent to `std.out.printf(fmt, ...args)` */
  export function printf(fmt: string, ...args: Array<any>): void;

  /** Equivalent to the libc sprintf(). */
  export function sprintf(fmt: string, ...args: Array<any>): void;

  /** Wrapper to the libc file stdin. */
  var in_: FILE;

  export { in_ as in };

  /** Wrapper to the libc file stdout. */
  export var out: FILE;

  /** Wrapper to the libc file stderr. */
  export var err: FILE;

  /** Constant for {@link FILE.seek}. Declares that pointer offset should be relative to the beginning of the file. See also libc `fseek()`. */
  export var SEEK_SET: number;

  /** Constant for {@link FILE.seek}. Declares that the offset should be relative to the current position of the FILE handle. See also libc `fseek()`. */
  export var SEEK_CUR: number;

  /** Constant for {@link FILE.seek}. Declares that the offset should be relative to the end of the file. See also libc `fseek()`. */
  export var SEEK_END: number;

  /** Constant for {@link FILE.setvbuf}. Declares that the buffer mode should be 'full buffering'. */
  export var _IOFBF: number;

  /** Constant for {@link FILE.setvbuf}. Declares that the buffer mode should be 'line buffering'. */
  export var _IOLBF: number;

  /** Constant for {@link FILE.setvbuf}. Declares that the buffer mode should be 'no buffering'. */
  export var _IONBF: number;

  /** Return the value of the environment variable `name` or `undefined` if it is not defined. */
  export function getenv(name: string): string | undefined;

  /** Set the value of the environment variable `name` to the string `value`. */
  export function setenv(name: string, value: string): void;

  /** Delete the environment variable `name`. */
  export function unsetenv(name: string): void;

  /** Return an object containing the environment variables as key-value pairs. */
  export function getenviron(): { [key: string]: string | undefined };

  /**
   * Return the real user ID of the calling process.
   *
   * This function throws an error on windows, because windows doesn't support
   * the same uid/gid paradigm as Unix-like operating systems.
   */
  export function getuid(): number;

  /**
   * Return the effective user ID of the calling process.
   *
   * This function throws an error on windows, because windows doesn't support
   * the same uid/gid paradigm as Unix-like operating systems.
   */
  export function geteuid(): number;

  /**
   * Return the real group ID of the calling process.
   *
   * This function throws an error on windows, because windows doesn't support
   * the same uid/gid paradigm as Unix-like operating systems.
   */
  export function getgid(): number;

  /**
   * Return the effective group ID of the calling process.
   *
   * This function throws an error on windows, because windows doesn't support
   * the same uid/gid paradigm as Unix-like operating systems.
   */
  export function getegid(): number;

  interface UrlGet {
    /**
     * Download `url` using the `curl` command line utility. Returns string
     * when the http status code is between 200 and 299, and throws otherwise.
     *
     * Pass an object with { full: true } as the second argument to get
     * response headers and status code.
     */
    (url: string): string;

    /**
     * Download `url` using the `curl` command line utility. Returns string
     * when the http status code is between 200 and 299, and throws otherwise.
     *
     * Pass an object with { full: true } as the second argument to get
     * response headers and status code.
     */
    (url: string, options: { binary: false }): string;

    /**
     * Download `url` using the `curl` command line utility. Returns string
     * when the http status code is between 200 and 299, and throws otherwise.
     *
     * Pass an object with { full: true } as the second argument to get
     * response headers and status code.
     */
    (url: string, options: { full: false }): string;

    /**
     * Download `url` using the `curl` command line utility. Returns string
     * when the http status code is between 200 and 299, and throws otherwise.
     *
     * Pass an object with { full: true } as the second argument to get
     * response headers and status code.
     */
    (url: string, options: { binary: false; full: false }): string;

    /**
     * Download `url` using the `curl` command line utility. Returns
     * ArrayBuffer when the http status code is between 200 and 299, and throws
     * otherwise.
     *
     * Pass an object with { full: true } as the second argument to get
     * response headers and status code.
     */
    (url: string, options: { binary: true }): ArrayBuffer;

    /**
     * Download `url` using the `curl` command line utility. Returns
     * ArrayBuffer when the http status code is between 200 and 299, and throws
     * otherwise.
     *
     * Pass an object with { full: true } as the second argument to get
     * response headers and status code.
     */
    (url: string, options: { binary: true; full: false }): ArrayBuffer;

    /**
     * Download `url` using the `curl` command line utility.
     *
     * Returns an object with three properties:
     *
     * - `response`: response body content (string)
     * - `responseHeaders`: headers separated by CRLF (string)
     * - `status`: status code (number)
     */
    (url: string, options: { full: true }): {
      status: number;
      response: string;
      responseHeaders: string;
    };

    /**
     * Download `url` using the `curl` command line utility.
     *
     * Returns an object with three properties:
     *
     * - `response`: response body content (string)
     * - `responseHeaders`: headers separated by CRLF (string)
     * - `status`: status code (number)
     */
    (url: string, options: { full: true; binary: false }): {
      status: number;
      response: string;
      responseHeaders: string;
    };

    /**
     * Download `url` using the `curl` command line utility.
     *
     * Returns an object with three properties:
     *
     * - `response`: response body content (ArrayBuffer)
     * - `responseHeaders`: headers separated by CRLF (string)
     * - `status`: status code (number)
     */
    (url: string, options: { full: true; binary: true }): {
      status: number;
      response: ArrayBuffer;
      responseHeaders: string;
    };
  }

  export var urlGet: UrlGet;

  /**
   * Parse `str` using a superset of JSON.parse. The following extensions are accepted:
   *
   * - Single line and multiline comments
   * - unquoted properties (ASCII-only Javascript identifiers)
   * - trailing comma in array and object definitions
   * - single quoted strings
   * - `\f` and `\v` are accepted as space characters
   * - leading plus in numbers
   * - octal (0o prefix) and hexadecimal (0x prefix) numbers
   */
  export function parseExtJSON(str: string): any;

  /**
   * A wrapper around the standard C [strftime](https://en.cppreference.com/w/c/chrono/strftime).
   * Formats a time/date into a format as specified by the user.
   *
   * @param maxBytes - The number of bytes to allocate for the string that will be returned
   * @param format - Format string, using `%`-prefixed sequences as found in [this table](https://en.cppreference.com/w/c/chrono/strftime#Format_string).
   * @param time - The Date object (or unix timestamp, in ms) to render.
   */
  export function strftime(
    maxBytes: number,
    format: string,
    time: Date | number
  ): string;
}

declare module "quickjs:os" {
  /**
   * Open a file handle. Returns a number; the file descriptor.
   *
   * @param filename - The path to the file to open.
   * @param flags - Numeric flags that set the mode to use when opening the file. See `os.O_*`
   * @param mode - Octal access mask. Defaults to 0o666.
   */
  export function open(filename: string, flags: number, mode?: number): number;

  /** POSIX open flag, used in {@link open}. */
  export var O_RDONLY: number;

  /** POSIX open flag, used in {@link open}. */
  export var O_WRONLY: number;

  /** POSIX open flag, used in {@link open}. */
  export var O_RDWR: number;

  /** POSIX open flag, used in {@link open}. */
  export var O_APPEND: number;

  /** POSIX open flag, used in {@link open}. */
  export var O_CREAT: number;

  /** POSIX open flag, used in {@link open}. */
  export var O_EXCL: number;

  /** POSIX open flag, used in {@link open}. */
  export var O_TRUNC: number;

  /**
   * Windows-specific open flag: open the file in binary mode (which is the default). Used in {@link open}.
   *
   * NOTE: this property is only present on windows
   */
  export var O_BINARY: number | undefined;

  /**
   * Windows-specific open flag: open the file in text mode. The default is binary mode. Used in {@link open}.
   *
   * NOTE: this property is only present on windows
   */
  export var O_TEXT: number | undefined;

  /** Close the file with descriptor `fd`. */
  export function close(fd: number): void;

  interface OsSeek {
    /** Seek in the file. Use `std.SEEK_*` for `whence`. `offset` is either a number or a bigint. If `offset` is a bigint, a bigint is returned too. */
    (fd: number, offset: number, whence: number): number;

    /** Seek in the file. Use `std.SEEK_*` for `whence`. `offset` is either a number or a bigint. If `offset` is a bigint, a bigint is returned too. */
    (fd: number, offset: BigInt, whence: number): BigInt;
  }

  /** Seek in the file. Use `std.SEEK_*` for `whence`. `offset` is either a number or a bigint. If `offset` is a bigint, a bigint is returned too. */
  export var seek: OsSeek;

  /** Read `length` bytes from the file with descriptor `fd` to the ArrayBuffer `buffer` at byte position `offset`. Return the number of read bytes. */
  export function read(
    fd: number,
    buffer: ArrayBuffer,
    offset: number,
    length: number
  ): number;

  /** Write `length` bytes to the file with descriptor `fd` from the ArrayBuffer `buffer` at byte position `offset`. Return the number of written bytes. */
  export function write(
    fd: number,
    buffer: ArrayBuffer,
    offset: number,
    length: number
  ): number;

  /** Return `true` if the file opened with descriptor `fd` is a TTY (terminal). */
  export function isatty(fd: number): boolean;

  /** Return the TTY size as `[width, height]` or `null` if not available. */
  export function ttyGetWinSize(fd: number): null | [number, number];

  /** Set the TTY in raw mode. */
  export function ttySetRaw(fd: number): void;

  /** Remove a file. */
  export function remove(filename: string): void;

  /** Rename a file. */
  export function rename(oldname: string, newname: string): void;

  /** Return the canonicalized absolute pathname of `path`. */
  export function realpath(path: string): string;

  /** Return the current working directory. */
  export function getcwd(): string;

  /** Change the current directory. */
  export function chdir(path: string): void;

  /** Create a directory at `path`. */
  export function mkdir(path: string, mode?: number): void;

  export type Stats = {
    dev: number;
    ino: number;
    mode: number;
    nlink: number;
    uid: number;
    gid: number;
    rdev: number;
    size: number;
    blocks: number;
    atime: number;
    mtime: number;
    ctime: number;
  };

  /**
   * Return a stats object with the following fields:
   *
   * - `dev`
   * - `ino`
   * - `mode`
   * - `nlink`
   * - `uid`
   * - `gid`
   * - `rdev`
   * - `size`
   * - `blocks`
   * - `atime`
   * - `mtime`
   * - `ctime`
   *
   * The times are specified in milliseconds since 1970. `lstat()` is the same as `stat()` except that it returns information about the link itself.
   */
  export function stat(path: string): Stats;

  /**
   * Return a stats object with the following fields:
   *
   * - `dev`
   * - `ino`
   * - `mode`
   * - `nlink`
   * - `uid`
   * - `gid`
   * - `rdev`
   * - `size`
   * - `blocks`
   * - `atime`
   * - `mtime`
   * - `ctime`
   *
   * The times are specified in milliseconds since 1970. `lstat()` is the same as `stat()` except that it returns information about the link itself.
   */
  export function lstat(path: string): Stats;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Mask for getting type of file from mode.
   */
  export var S_IFMT: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * File type: named pipe (fifo)
   */
  export var S_IFIFO: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * File type: character special
   */
  export var S_IFCHR: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * File type: directory
   */
  export var S_IFDIR: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * File type: block special
   */
  export var S_IFBLK: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * File type: regular
   */
  export var S_IFREG: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * File type: socket
   *
   * NOTE: this property is not present on windows
   */
  export var S_IFSOCK: number | undefined;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * File type: symbolic link
   *
   * NOTE: this property is not present on windows
   */
  export var S_IFLNK: number | undefined;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Flag: set group id on execution
   *
   * NOTE: this property is not present on windows
   */
  export var S_ISGID: number | undefined;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Flag: set user id on execution
   *
   * NOTE: this property is not present on windows
   */
  export var S_ISUID: number | undefined;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Mask for getting RWX permissions for owner
   */
  export var S_IRWXU: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Permission: read for owner
   */
  export var S_IRUSR: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Permission: write for owner
   */
  export var S_IWUSR: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Permission: execute for owner
   */
  export var S_IXUSR: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Mask for getting RWX permissions for group
   */
  export var S_IRWXG: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Permission: read for group
   */
  export var S_IRGRP: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Permission: write for group
   */
  export var S_IWGRP: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Permission: execute for group
   */
  export var S_IXGRP: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Mask for getting RWX permissions for others
   */
  export var S_IRWXO: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Permission: read for others
   */
  export var S_IROTH: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Permission: write for others
   */
  export var S_IWOTH: number;

  /**
   * Constant to interpret the `mode` property returned by `stat()`. Has the same value as in the C system header `sys/stat.h`.
   *
   * Permission: execute for others
   */
  export var S_IXOTH: number;

  /**
   * Change the access and modification times of the file path.
   *
   * The times are specified in milliseconds since 1970.
   */
  export function utimes(path: string, atime: number, mtime: number): void;

  /** Create a link at `linkpath` containing the string `target`. */
  export function symlink(target: string, linkpath: string): void;

  /** Return the link target. */
  export function readlink(path: string): string;

  /** Return an array of strings containing the filenames of the directory `path`. */
  export function readdir(path: string): Array<string>;

  /** Add a read handler to the file with descriptor `fd`. `func` is called each time there is data pending for `fd`. A single read handler per file handle is supported. Use `func = null` to remove the handler. */
  export function setReadHandler(fd: number, func: null | (() => void)): void;

  /** Add a write handler to the file with descriptor `fd`. `func` is called each time data can be written to `fd`. A single write handler per file handle is supported. Use `func = null` to remove the handler. */
  export function setWriteHandler(fd: number, func: null | (() => void)): void;

  /** Call the function `func` when the signal `signal` happens. Only a single handler per signal number is supported. Use `null` to set the default handler or `undefined` to ignore the signal. Signal handlers can only be defined in the main thread. */
  export function signal(
    signal: number,
    func: null | undefined | (() => void)
  ): void;

  /** POSIX signal number. */
  export var SIGINT: number;

  /** POSIX signal number. */
  export var SIGABRT: number;

  /** POSIX signal number. */
  export var SIGFPE: number;

  /** POSIX signal number. */
  export var SIGILL: number;

  /** POSIX signal number. */
  export var SIGSEGV: number;

  /** POSIX signal number. */
  export var SIGTERM: number;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGQUIT: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGPIPE: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGALRM: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGUSR1: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGUSR2: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGCHLD: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGCONT: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGSTOP: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGTSTP: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGTTIN: number | undefined;

  /** POSIX signal number. NOTE: this signal is not present on windows. */
  export var SIGTTOU: number | undefined;

  /** Send the signal `sig` to the process `pid`. Use `os.SIG*` constants. */
  export function kill(pid: number, sig: number): void;

  export type ExecOptions = {
    /** Boolean (default = true). If true, wait until the process is terminated. In this case, `exec` returns the exit code if positive or the negated signal number if the process was interrupted by a signal. If false, do not block and return the process id of the child. */
    block?: boolean;

    /** Boolean (default = true). If true, the file is searched in the `PATH` environment variable. */
    usePath?: boolean;

    /** String (default = `args[0]`). Set the file to be executed. */
    file?: string;

    /** String. If present, set the working directory of the new process. */
    cwd?: string;

    /** If present, set the file descriptor in the child for stdin. */
    stdin?: number;

    /** If present, set the file descriptor in the child for stdout. */
    stdout?: number;

    /** If present, set the file descriptor in the child for stderr. */
    stderr?: number;

    /** Object. If present, set the process environment from the object key-value pairs. Otherwise use the same environment as the current process. To get the current process's environment variables as on object, use `std.getenviron()`. */
    env?: { [key: string | number]: string | number | boolean };

    /** Integer. If present, the process uid with `setuid`. */
    uid?: number;

    /** Integer. If present, the process gid with `setgid`. */
    gid?: number;
  };

  /** Execute a process with the arguments args, and the provided options (if any). */
  export function exec(args: Array<string>, options?: ExecOptions): number;

  /**
   * `waitpid` Unix system call. Returns the array [ret, status].
   *
   * From man waitpid(2):
   *
   * waitpid(): on success, returns the process ID of the child whose state has changed; if WNOHANG was specified and one or more child(ren) specified by pid exist, but have not yet changed state, then 0 is returned.
   */
  export function waitpid(pid: number, options?: number): [number, number];

  /** Constant for the `options` argument of `waitpid`. */
  export var WNOHANG: number;
  /** Constant for the `options` argument of `waitpid`. */
  export var WUNTRACED: number;

  /** Function to be used to interpret the 'status' return value of `waitpid`. */
  export function WEXITSTATUS(status: number): number;
  /** Function to be used to interpret the 'status' return value of `waitpid`. */
  export function WTERMSIG(status: number): number;
  /** Function to be used to interpret the 'status' return value of `waitpid`. */
  export function WSTOPSIG(status: number): number;

  /** Function to be used to interpret the 'status' return value of `waitpid`. */
  export function WIFEXITED(status: number): boolean;
  /** Function to be used to interpret the 'status' return value of `waitpid`. */
  export function WIFSIGNALED(status: number): boolean;
  /** Function to be used to interpret the 'status' return value of `waitpid`. */
  export function WIFSTOPPED(status: number): boolean;
  /** Function to be used to interpret the 'status' return value of `waitpid`. */
  export function WIFCONTINUED(status: number): boolean;

  /** `dup` Unix system call. */
  export function dup(fd: number): number;

  /** `dup2` Unix system call. */
  export function dup2(oldfd: number, newfd: number): number;

  /** `pipe` Unix system call. Return two handles as `[read_fd, write_fd]`. */
  export function pipe(): [number, number];

  /** Sleep for `delay_ms` milliseconds. */
  export function sleep(delay_ms: number): void;

  export type OSTimer = { [Symbol.toStringTag]: "OSTimer" };

  /** Call the function func after delay ms. Return a handle to the timer. */
  export function setTimeout(
    func: (...args: any) => any,
    delay: number
  ): OSTimer;

  /** Cancel a timer. */
  export function clearTimeout(handle: OSTimer): void;

  /** Return a string representing the platform: "linux", "darwin", "win32", "freebsd", or "js" (emscripten). */
  export var platform: "linux" | "darwin" | "win32" | "freebsd" | "js";

  /**
   * Things that can be put into Worker.postMessage.
   *
   * NOTE: This is effectively the same stuff as supported by the structured
   * clone algorithm, but without support for Map/Set (not supported in
   * QuickJS yet).
   */
  export type StructuredClonable =
    | string
    | number
    | boolean
    | null
    | undefined
    | Boolean
    | String
    | Date
    | RegExp
    | ArrayBuffer
    | Int8Array
    | Uint8Array
    | Uint8ClampedArray
    | Int16Array
    | Uint16Array
    | Int32Array
    | Uint32Array
    | Float32Array
    | Float64Array
    | BigInt64Array
    | BigUint64Array
    | DataView
    | Array<StructuredClonable>
    | SharedArrayBuffer
    // Map and Set not yet supported
    // | Map<StructuredClonable, StructuredClonable>
    // | Set<StructuredClonable>
    | { [key: string | number]: StructuredClonable };

  export class Worker {
    /**
     * Constructor to create a new thread (worker) with an API close to the
     * `WebWorkers`. `moduleFilename` is a string specifying the module
     * filename which is executed in the newly created thread. As for
     * dynamically imported module, it is relative to the current script or
     * module path. Threads normally don’t share any data and communicate
     * between each other with messages. Nested workers are not supported.
     */
    constructor(moduleFilename: string);

    /**
     * In the created worker, Worker.parent represents the parent worker and is
     * used to send or receive messages.
     */
    static parent: Worker;

    /**
     * Send a message to the corresponding worker. msg is cloned in the
     * destination worker using an algorithm similar to the HTML structured
     * clone algorithm. SharedArrayBuffer are shared between workers.
     *
     * Current limitations: Map and Set are not supported yet.
     */
    postMessage(msg: StructuredClonable): void;

    /**
     * Set a function which is called each time a message is received. The
     * function is called with a single argument. It is an object with a data
     * property containing the received message. The thread is not terminated
     * if there is at least one non null onmessage handler.
     */
    onmessage: null | ((event: { data: StructuredClonable }) => void);
  }

  /** constant for {@link access}(); test for read permission. */
  export var R_OK: number;

  /** constant for {@link access}(); test for write permission. */
  export var W_OK: number;

  /** constant for {@link access}(); test for execute (search) permission. */
  export var X_OK: number;

  /** constant for {@link access}(); test for existence of file. */
  export var F_OK: number;

  /** `access` Unix system call; checks if a file is readable, writable, executable, and/or exists (use {@link R_OK}, {@link W_OK}, {@link X_OK}, and/or {@link F_OK} for `accessMode`). Throws a descriptive error (with errno property) if the requested access is not available; otherwise, returns undefined. */
  export function access(path: string, accessMode: number): void;

  /** gets the path to the executable which is executing this JS code. might be a relative path or symlink. */
  export function execPath(): string;

  /** changes the access permission bits of the file at `path` using the octal number `mode`. */
  export function chmod(path: string, mode: number): void;
}

declare var setTimeout: typeof import("quickjs:os").setTimeout;
declare var clearTimeout: typeof import("quickjs:os").clearTimeout;

/**
 * An object which lets you configure the module loader (import/export/require).
 * You can change these properties to add support for importing new filetypes.
 */
interface ModuleDelegate {
  /**
   * A list of filetype extensions that may be omitted from an import specifier
   * string.
   *
   * Defaults to `[".js"]`. You can add more strings to this array to
   * make the engine search for additional files when resolving a
   * require/import.
   *
   * See the doc comment on {@link require} for more information.
   *
   * NOTE: If you add a new extension to this array, you will likely also want
   * to add to {@link compilers}.
   */
  searchExtensions: Array<string>;

  /**
   * User-defined functions which will handle getting the JavaScript code
   * associated with a module.
   *
   * The key for each property in this object should be a file extension
   * string with a leading dot, eg `".jsx"`. The value for each property should
   * be a function which receives (1) the filepath to a module, and (2) that
   * file's content as a UTF-8 string, and the function should return a string
   * containing JavaScript code that corresponds to that module. In most cases,
   * these functions will compile the contents of the file from one format into JavaScript.
   *
   * The function does not have to use the second 'content' argument it
   * receives (ie. when loading binary files).
   *
   * By adding to this object, you can make it possible to import non-js
   * filetypes; compile-to-JS languages like JSX, TypeScript, and CoffeeScript
   * can be compiled at import time, and asset files like .txt files or .png
   * files can be converted into an appropriate data structure at import time.
   *
   * As an example, to make it possible to import .txt files, you might do:
   * ```js
   * import * as std from "std";
   *
   * ModuleDelegate.compilers[".txt"] = (filename, content) => {
   *   return `export default ${JSON.stringify(content)}`;
   * }
   * ```
   * (leveraging `JSON.stringify`'s ability to escape quotes).
   *
   * Then, later in your code, you can do:
   * ```js
   * import names from "./names.txt";
   * ```
   *
   * And `names` will be a string containing the contents of names.txt.
   *
   * NOTE: When adding to this object, you may also wish to add to
   * {@link searchExtensions}.
   */
  compilers: {
    [extensionWithDot: string]: (filename: string, content: string) => string;
  };

  /**
   * Resolves a require/import request from `fromFile` into a canonicalized
   * path.
   *
   * To change native module resolution behavior, replace this function with
   * your own implementation. Note that you must handle
   * `ModuleDelegate.searchExtensions` yourself in your replacement
   * implementation.
   */
  resolve(name: string, fromFile: string): string;

  /**
   * Reads the contents of the given resolved module name into a string.
   *
   * To change native module loading behavior, replace this function with your
   * own implementation. Note that you must handle `ModuleDelegate.compilers`
   * yourself in your replacement implementation.
   */
  read(modulePath: string): string;
}

interface RequireFunction {
  /**
   * Synchronously import a module.
   *
   * `source` will be resolved relative to the calling file.
   *
   * If `source` does not have a file extension, and a file without an extension
   * cannot be found, the engine will check for files with the extensions in
   * {@link ModuleDelegate.searchExtensions}, and use one of those if present.
   * This behavior also happens when using normal `import` statements.
   *
   * For example, if you write:
   *
   * ```js
   * import something from "./somewhere";
   * ```
   *
   * but there's no file named `somewhere` in the same directory as the file
   * where that import appears, and `ModuleDelegate.searchExtensions` is the
   * default value:
   *
   * ```js
   * [".js"]
   * ```
   *
   * then the engine will look for `somewhere.js`. If that doesn't exist, the
   * engine will look for `somewhere/index.js`. If *that* doesn't exist, an
   * error will be thrown.
   *
   * If you add more extensions to `ModuleDelegate.searchExtensions`, then the
   * engine will use those, too. It will search in the same order as the strings
   * appear in the `ModuleDelegate.searchExtensions` array.
   */
  (source: string): any;

  /**
   * Resolves the normalized path to a modules, relative to the calling file.
   */
  resolve: (source: string) => string;
}

// global added by QJMS_InitContext
declare var require: RequireFunction;

// gets set per-module by QJMS_SetModuleImportMeta
interface ImportMeta {
  /**
   * A URL representing the current module.
   *
   * Usually starts with `file://`.
   */
  url: string;

  /**
   * Whether the current module is the "main" module, meaning that it is the
   * entrypoint file that's been loaded, or, in other terms, the first
   * user-authored module that's been loaded.
   */
  main: boolean;

  /**
   * Equivalent to `globalThis.require`. Provided for compatibility with tools
   * that can leverage a CommonJS require function via `import.meta.require`.
   */
  require: RequireFunction;

  /**
   * Resolves a module specifier based on the current module's path.
   *
   * Equivalent to `globalThis.require.resolve`.
   *
   * Behaves similarly to [the browser
   * import.meta.resolve](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/import.meta/resolve),
   * but it does not ensure that the returned string is a valid URL, because it
   * delegates directly to {@link ModuleDelegate.resolve} to resolve the name.
   * If you want this to return URL strings, change `ModuleDelegate.resolve` and
   * `ModuleDelegate.read` to work with URL strings.
   */
  resolve: RequireFunction["resolve"];
}

declare module "quickjs:engine" {
  /**
   * Return whether the provided resolved module path is set as the main module.
   *
   * In other words, return what the value of `import.meta.main` would be within
   * the module.
   *
   * The main module can be set via {@link setMainModule}.
   */
  export function isMainModule(resolvedFilepath: string): boolean;

  /**
   * Set the main module to the module with the provided resolved path.
   *
   * This will affect the value of `import.meta.main` for modules loaded in the
   * future, but it will NOT retroactively change the value of
   * `import.meta.main` in existing already-loaded modules.
   */
  export function setMainModule(resolvedFilepath: string): void;

  /**
   * Evaluate the string `code` as a script (global eval).
   *
   * @param code - The code to evaluate.
   * @param options - An optional object containing the following optional properties:
   * @property backtraceBarrier - Boolean (default = false). If true, error backtraces do not list the stack frames below the evalScript.
   * @property filename - String (default = "<evalScript>"). The filename to associate with the code being executed.
   * @returns The result of the evaluation.
   */
  export function evalScript(
    code: string,
    options?: { backtraceBarrier?: boolean; filename?: string }
  ): any;

  /**
   * Evaluate the file `filename` as a script (global eval).
   *
   * @param filename - The relative or absolute path to the file to load. Relative paths are resolved relative to the process's current working directory.
   * @returns The result of the evaluation.
   */
  export function runScript(filename: string): any;

  /**
   * Evaluate the file `filename` as a module. Effectively a synchronous dynamic `import()`.
   *
   * @param filename - The relative or absolute path to the file to import. Relative paths are resolved relative to the file calling `importModule`, or `basename` if present.
   * @param basename - If present and `filename` is a relative path, `filename` will be resolved relative to this basename.
   * @returns The result of the evaluation (module namespace object).
   */
  export function importModule(
    filename: string,
    basename?: string
  ): { [key: string]: any };

  /**
   * Return the resolved path to a module.
   *
   * @param filename - The relative or absolute path to the file to import. Relative paths are resolved relative to the file calling `importModule`, or `basename` if present.
   * @param basename - If present and `filename` is a relative path, `filename` will be resolved relative to this basename.
   * @returns The resolved module path.
   */
  export function resolveModule(filename: string, basename?: string): string;

  /**
   * Read the script of module filename from an active stack frame, then return it as a string.
   *
   * If there isn't a valid filename for the specified stack frame, an error will be thrown.
   *
   * @param stackLevels - How many levels up the stack to search for a filename. Defaults to 0, which uses the current stack frame.
   */
  export function getFileNameFromStack(stackLevels?: number): string;

  /**
   * Returns true if `target` is a module namespace object.
   */
  export function isModuleNamespace(target: any): boolean;

  /**
   * Create a virtual built-in module whose exports consist of the own
   * enumerable properties of `obj`.
   */
  export function defineBuiltinModule(
    name: string,
    obj: { [key: string]: any }
  ): void;

  /**
   * An object which lets you configure the module loader (import/export/require).
   * You can change these properties to add support for importing new filetypes.
   */
  export const ModuleDelegate: ModuleDelegate;

  /**
   * Manually invoke the cycle removal algorithm (garbage collector).
   *
   * The cycle removal algorithm is automatically started when needed, so this
   * function is useful in case of specific memory constraints or for testing.
   */
  export function gc(): void;
}

declare module "quickjs:bytecode" {
  /**
   * Convert the module or script in the specified file into bytecode.
   *
   * When converted back to a value, it will be a function.
   */
  export function fromFile(
    path: string,
    options?: {
      byteSwap?: boolean;
      sourceType?: "module" | "script";
      encodedFileName?: string;
    }
  ): ArrayBuffer;

  /**
   * Convert the provided value into bytecode. Doesn't work with all values.
   */
  export function fromValue(
    value: any,
    options?: { byteSwap?: boolean }
  ): ArrayBuffer;

  /**
   * Convert the provided bytecode into a value.
   */
  export function toValue(bytecode: ArrayBuffer): any;
}

declare module "quickjs:context" {
  /**
   * A separate global context (or 'realm') within which code can be executed.
   */
  export class Context {
    /**
     * Create a new global context (or 'realm') within code can be executed.
     *
     * @param options Options for what globals/modules/etc to make available within the context.
     *
     * The following globals are always present, regardless of options:
     *
     * - Object
     * - Function
     * - Error
     * - EvalError
     * - RangeError
     * - ReferenceError
     * - SyntaxError
     * - TypeError
     * - URIError
     * - InternalError
     * - AggregateError
     * - Array
     * - parseInt
     * - parseFloat
     * - isNaN
     * - isFinite
     * - decodeURI
     * - decodeURIComponent
     * - encodeURI
     * - encodeURIComponent
     * - escape
     * - unescape
     * - Infinity
     * - NaN
     * - undefined
     * - __date_clock
     * - Number
     * - Boolean
     * - String
     * - Math
     * - Reflect
     * - Symbol
     * - eval (but it doesn't work unless the `eval` option is enabled)
     * - globalThis
     *
     * Note that new contexts don't have a `scriptArgs` global. If you need one
     * to be present in the new context, you can add one onto the Context's
     * `globalThis` property.
     */
    constructor(options?: {
      /** Enables `Date`. Defaults to `true` */
      date?: boolean;

      /** Enables `eval`. Defaults to `true` */
      eval?: boolean;

      /** Enables `String.prototype.normalize`. Defaults to `true`. */
      stringNormalize?: boolean;

      /** Enables `RegExp`. Defaults to `true`. */
      regExp?: boolean;

      /** Enables `JSON`. Defaults to `true`. */
      json?: boolean;

      /** Enables `Proxy`. Defaults to `true`. */
      proxy?: boolean;

      /** Enables `Map` and `Set`. Defaults to `true`. */
      mapSet?: boolean;

      /**
       * Enables:
       *
       * - ArrayBuffer
       * - SharedArrayBuffer
       * - Uint8ClampedArray
       * - Int8Array
       * - Uint8Array
       * - Int16Array
       * - Uint16Array
       * - Int32Array
       * - Uint32Array
       * - BigInt64Array
       * - BigUint64Array
       * - Float32Array
       * - Float64Array
       * - DataView
       *
       * Defaults to `true`.
       */
      typedArrays?: boolean;

      /**
       * Enables:
       *
       * - Promise
       * - async functions
       * - async iterators
       * - async generators
       *
       * Defaults to `true`.
       */
      promise?: boolean;

      /** Enables `BigInt`. Defaults to `true`. */
      bigint?: boolean;

      /** Enables `BigFloat`. Defaults to `true`. */
      bigfloat?: boolean;

      /** Enables `BigDecimal`. Defaults to `true`. */
      bigdecimal?: boolean;

      /**
       * Enables:
       *
       * - Operators
       * - OperatorSet creation
       * - operator overloading
       *
       * Defaults to `true`.
       */
      operators?: boolean;

      /** Enables `"use math"`. Defaults to `true`. */
      useMath?: boolean;

      /** Enables `inspect`. Defaults to `true`. */
      inspect?: boolean;
      /** Enables `console`. Defaults to `true`. */
      console?: boolean;
      /** Enables `print`. Defaults to `true`. */
      print?: boolean;
      /** Enables `require`. Defaults to `true`. */
      moduleGlobals?: boolean;
      /**
       * Enables `setTimeout`, `clearTimeout`, `setInterval`, and
       * `clearInterval`. Defaults to `true`.
       */
      timers?: boolean;

      /** Enable builtin modules. */
      modules?: {
        /** Enables the "quickjs:std" module. Defaults to `true`. */
        "quickjs:std"?: boolean;
        /** Enables the "quickjs:os" module. Defaults to `true`. */
        "quickjs:os"?: boolean;
        /** Enables the "quickjs:bytecode" module. Defaults to `true`. */
        "quickjs:bytecode"?: boolean;
        /** Enables the "quickjs:context" module. Defaults to `true`. */
        "quickjs:context"?: boolean;
        /** Enables the "quickjs:engine" module. Defaults to `true`. */
        "quickjs:engine"?: boolean;
        /** Enables the "quickjs:encoding" module. Defaults to `true`. */
        "quickjs:encoding"?: boolean;
      };
    });

    /**
     * The `globalThis` object used by this context.
     *
     * You can add to or remove from it to change what is visible to the context.
     */
    globalThis: typeof globalThis;

    /**
     * Runs code within the context and returns the result.
     *
     * @param code The code to run.
     */
    eval(code: string): any;
  }
}

// WHATWG encoding spec at https://encoding.spec.whatwg.org/ would be better,
// but this is better than nothing
declare module "quickjs:encoding" {
  export function toUtf8(input: ArrayBuffer): string;
  export function fromUtf8(input: string): ArrayBuffer;
}

declare const std: typeof import("quickjs:std");
declare const os: typeof import("quickjs:os");

// undocumented from quickjs, but it's there
/** Get the current unix timestamp with microsecond precision. */
declare function __date_clock(): number;