docs: @PublicEvolving
  	public <R> SingleOutputStreamOperator<R> process(
  			CoProcessFunction<IN1, IN2, R> coProcessFunction) {
  
  		TypeInformation<R> outTypeInfo = TypeExtractor.getBinaryOperatorReturnType(
  			coProcessFunction,
  			CoProcessFunction.class,
  			0,
  			1,
  			2,
  			TypeExtractor.NO_INDEX,
  			getType1(),
  			getType2(),
  			Utils.getCallLocationName(),
  			true);
  
  		return process(coProcessFunction, outTypeInfo);
  	}