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