if (binding == null) return false;
		public boolean acceptBinding(IBinding binding) {			if (hasFlag(CHECK_VISIBILITY, fFlags)) {				if (!isVisible(binding, fParentTypeBinding)) {					return false;				}			}			String signature= getSignature(binding);			if (signature != null && fNamesAdded.add(signature)) { // avoid duplicated results from inheritance				fResult.add(binding);			}			return false;		}