export declare class SystemMenu {
    guid: string;
    title: string;
    icon?: string;
    color?: string;
    url?: string;
    isSeparator: boolean;
    isEnabled: boolean;
    groupName?: string;
    description?: string;
    items?: SystemMenu[];
    tabBehavior?: 'Stay' | 'NewTab' | 'NamedTab';
    closable?: Boolean;
}