import { AfterContentInit, ChangeDetectorRef, ElementRef, EventEmitter, NgZone, QueryList } from '@angular/core';
import { MixinElementRefBase } from '@ngx-simple/core/common-behaviors';
import { SimOptionComponent, SimOptionSelectionChange } from '@ngx-simple/simple-ui/option';
import { Observable } from 'rxjs';
import { SimDropdownComponent } from './dropdown.component';
declare type DropdownActionsValue = string | number;
/** 当选择值发生更改时发出的更改事件对象。 */
export declare class SimDropdownActionsChange<T extends DropdownActionsValue> {
    /** 引用发出更改事件的select。 */
    source: SimOptionComponent;
    /** 发出事件的select的当前值。 */
    value: T;
    constructor(
    /** 引用发出更改事件的select。 */
    source: SimOptionComponent, 
    /** 发出事件的select的当前值。 */
    value: T);
}
declare const _DropdownActionsMixinBase: import("../../../dist/libs/core/common-behaviors/constructor").Constructor<import("../../../dist/libs/core/common-behaviors/unsubscribe").CanUnsubscribe> & import("../../../dist/libs/core/common-behaviors/constructor").Constructor<import("../../../dist/libs/core/common-behaviors/color").CanColor> & typeof MixinElementRefBase;
export declare class SimDropdownActionsComponent extends _DropdownActionsMixinBase implements AfterContentInit {
    private _ngZone;
    private _changeDetector;
    private parentDropdown;
    /** 选择后自动关闭面板 */
    selectable: boolean;
    /**
     * 当用户更改所选值时发出的事件
     */
    readonly selectionChange: EventEmitter<SimDropdownActionsChange<DropdownActionsValue>>;
    /** 所有定义的选择选项 */
    options: QueryList<SimOptionComponent>;
    /** 所有子选项的更改事件的组合流 */
    readonly optionSelectionChanges: Observable<SimOptionSelectionChange>;
    private _lastSelectionOption;
    constructor(_elementRef: ElementRef, _ngZone: NgZone, _changeDetector: ChangeDetectorRef, parentDropdown: SimDropdownComponent);
    ngAfterContentInit(): void;
    /** 单击选项时调用 */
    _onSelect(option: SimOptionComponent, isUserInput: boolean): void;
    /** 删除当前的选项订阅和ID并从头开始重置 */
    private _resetOptions;
}
export declare class SimDropdownActionsCloseDirective {
    private parentDropdown;
    private optionComponent;
    disabled: boolean;
    constructor(parentDropdown: SimDropdownActionsComponent, optionComponent: SimOptionComponent);
    _handleClick(event: Event): void;
}
export {};