setImageDescriptor(JavaPluginImages.DESC_OBJS_SEARCH_REF);
	public FindReferencesAction() {		super(SearchMessages.getString("Search.FindReferencesAction.label"), new Class[] {IType.class, IMethod.class, IField.class, IPackageDeclaration.class, IImportDeclaration.class, IPackageFragment.class}); //$NON-NLS-1$		setToolTipText(SearchMessages.getString("Search.FindReferencesAction.tooltip")); //$NON-NLS-1$		setImageDescriptor(JavaPluginImages.DESC_OBJS_SEARCH_REF);	}