fRoot= root;
fNameNode= nameNode;
	public ChangeMethodSignatureProposal(String label, ICompilationUnit targetCU, CompilationUnit root, IMethodBinding binding, ChangeDescription[] changes, int relevance, Image image) {		super(label, targetCU, null, relevance, image);				fRoot= root;		fSenderBinding= binding;		fParameterChanges= changes;	}