import { LayoutState } from '@ibizstudio/runtime';
import { Observable } from 'rxjs';
/**
 * 应用UI状态管理服务类
 *
 * @export
 * @class UIStateService
 */
export declare class UIStateService {
    /**
     * 事件组
     *
     * @private
     * @type {*}
     * @memberof OsObject
     */
    private events;
    /**
     * 缓存标识
     *
     * @protected
     * @type {string}
     * @memberof UIStateService
     */
    protected localStoreKey: string;
    /**
     * 全局布局状态管理
     *
     * @type {LayoutState}
     * @memberof UIStateService
     */
    layoutState: LayoutState;
    /**
     * Creates an instance of UIStateService.
     * @memberof UIStateService
     */
    constructor();
    /**
     * 填充状态
     *
     * @protected
     * @param {*} data
     * @memberof UIStateService
     */
    protected fillLayoutState(data: any): void;
    /**
     * 改变布局状态
     *
     * @param {LayoutState} state
     * @memberof UIStateService
     */
    changeLayoutState(state: any): void;
    /**
     * 获取某项UI状态
     *
     * @template K
     * @param {K} key
     * @returns {*}
     * @memberof UIStateService
     */
    getState<K extends keyof LayoutState>(key: K): any;
    /**
     * 左侧导航内容区显示切换
     *
     * @param {boolean} [bool]
     * @memberof UIStateService
     */
    leftExpContentShowChange(bool?: boolean): void;
    /**
     * 改变左侧菜单收缩状态
     *
     * @param {boolean} [bool]
     * @memberof UIStateService
     */
    leftNavMenuCollapseChange(bool?: boolean): void;
    /**
     * 是否为Style2模式
     *
     * @returns {boolean}
     * @memberof UIStateService
     */
    isStyle2(): boolean;
    /**
     * 注册事件
     *
     * @param {string} [eventName]
     * @return {*}  {Observable<any>}
     * @memberof UIStateService
     */
    on(eventName?: string): Observable<any>;
}
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