import { IBzEvent, IEntity } from '@ibizstudio/api';
/**
 * 选中数据状态管理
 *
 * @export
 * @class SelectState
 */
export declare class SelectState {
    /**
     * 选中数据变更
     *
     * @type {Subject<any>}
     * @memberof SelectState
     */
    readonly evt: IBzEvent<{
        change: IEntity;
    }>;
    /**
     * 当前选中激活数据
     *
     * @private
     * @type {*}
     * @memberof SelectState
     */
    private activateItem;
    /**
     * 当前选中数据
     *
     * @type {*}
     * @memberof SelectState
     */
    get data(): IEntity;
    /**
     * 选中时设置的上下文
     *
     * @author chitanda
     * @date 2022-11-23 12:11:37
     * @type {(IContext | null)}
     */
    context: IContext | null;
    /**
     * 设置当前选中数据
     *
     * @author chitanda
     * @date 2022-11-23 12:11:56
     * @param {IEntity} data
     * @param {IContext} [context]
     */
    set(data: IEntity, context?: IContext): void;
    /**
     * 清除选中项
     *
     * @memberof SelectState
     */
    clear(): void;
}
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