fSelectionDescription= null;
	public ModifierChangeCompletionProposal(String label, ICompilationUnit targetCU, IBinding binding, ASTNode node, int includedModifiers, int excludedModifiers, int relevance, Image image) {		super(label, targetCU, null, relevance, image);		fBinding= binding;		fNode= node;		fIncludedModifiers= includedModifiers;		fExcludedModifiers= excludedModifiers;		fSelectionDescription= null;	}