Added Method class skeleton.
Added unit test for Method.
Added implementation.
Added RemoveParameterDetector skeleton.
Added implementation of RemoveParameterDetector.
Added unit test to test void methods for RemoveParameterDetector.
Added RemoveParameterDetectorBaseTest with shared code for RemoveParameterDetectorBaseTest and new RemoveParameterDetectorReturnTest.
Added RemoveParameterDetectorReturnTest.
Added unused parameter detection.