Remove FQCN type hints on properties

Author: fabpot

ExpressionLanguage.php

@@ -24,10 +24,10 @@ class_exists(ParsedExpression::class);
  */
 class ExpressionLanguage
 {
-    private CacheItemPoolInterface $cache;
-    private Lexer $lexer;
-    private Parser $parser;
-    private Compiler $compiler;
+    private $cache;
+    private $lexer;
+    private $parser;
+    private $compiler;
 
     protected array $functions = [];
 

ParsedExpression.php

@@ -20,7 +20,7 @@
  */
 class ParsedExpression extends Expression
 {
-    private Node $nodes;
+    private $nodes;
 
     public function __construct(string $expression, Node $nodes)
     {

Parser.php

@@ -26,7 +26,7 @@ class Parser
     public const OPERATOR_LEFT = 1;
     public const OPERATOR_RIGHT = 2;
 
-    private TokenStream $stream;
+    private $stream;
     private array $unaryOperators;
     private array $binaryOperators;
     private array $functions;