docs: public <L, R> SingleOutputStreamOperator<R> select(
  			final OutputTag<L> timedOutPartialMatchesTag,
  			final PatternTimeoutFunction<T, L> patternTimeoutFunction,
  			final TypeInformation<R> outTypeInfo,
  			final PatternSelectFunction<T, R> patternSelectFunction) {
  
  		final PatternProcessFunction<T, R> processFunction =
  			fromSelect(builder.clean(patternSelectFunction))
  				.withTimeoutHandler(timedOutPartialMatchesTag, builder.clean(patternTimeoutFunction))
  				.build();
  
  		return process(processFunction, outTypeInfo);
  	}