fInputType= inputType;
	private ExtractInterfaceUtil(ICompilationUnit inputTypeWorkingCopy, ICompilationUnit supertypeWorkingCopy, WorkingCopyOwner workingCopyOwner){		Assert.isNotNull(inputTypeWorkingCopy);		fSupertypeWorkingCopy= supertypeWorkingCopy;		fInputTypeWorkingCopy= inputTypeWorkingCopy;		fWorkingCopyOwner= workingCopyOwner;	}