[FLINK-36705] Add initial ProcessTableFunction class and annotations #16

Job	Run time
Pre-compile Checks / Basic QA	7m 21s
Default (Java 11) / Compile	17m 30s
Default (Java 11) / Test packaging/licensing	35m 41s
Default (Java 11) / E2E (group 1)	1h 36m 38s
Default (Java 11) / Test (module: core)	31m 30s
Default (Java 11) / E2E (group 2)	1h 59m 58s
Default (Java 11) / Test (module: python)	31m 9s
Default (Java 11) / Test (module: table)	36m 54s
Default (Java 11) / Test (module: connect)	22m 10s
Default (Java 11) / Test (module: tests)	38m 8s
Default (Java 11) / Test (module: misc)	10m 35s
	7h 27m 34s

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