fSuperTypesList= getHierarchy().getAllSuperclasses(fInput);
fSuperTypesList= getHierarchy().getAllSuperclasses(hierarchyInput);
		private void updateSuperTypesList() {			IType hierarchyInput= getInputType();			if (hierarchyInput != null) {				if (fUpdateNeeded || !hierarchyInput.equals(fInput)) {					fSuperTypesList= getHierarchy().getAllSuperclasses(fInput);				}			} else {				fSuperTypesList= null;			}			fInput= hierarchyInput;		}		