Assert.isTrue(binding != null && !binding.isParameterizedMethod() && !binding.isRawMethod());
	public ChangeMethodSignatureProposal(String label, ICompilationUnit targetCU, ASTNode invocationNode, IMethodBinding binding, ChangeDescription[] paramChanges, ChangeDescription[] exceptionChanges, int relevance, Image image) {		super(label, targetCU, null, relevance, image);				fInvocationNode= invocationNode;		fSenderBinding= binding;		fParameterChanges= paramChanges;		fExceptionChanges= exceptionChanges;	}