import { OnChanges, SimpleChanges } from '@angular/core';
import { FlCompareHost } from 'flex-controls/classes';
import { FlBaseControlHost } from 'flex-controls/interfaces';
import { FlControl } from './control';
import * as i0 from "@angular/core";
/** Uses to implement controls with state (like checkbox, radio-button, chip, etc.) */
export declare abstract class FlControlSelector<T> extends FlControl<T | boolean> implements OnChanges {
    protected compareHost?: FlCompareHost<boolean | T | null> | undefined;
    protected host?: FlBaseControlHost<T, T> | undefined;
    protected hasIntermediate?: boolean | undefined;
    value: T | true;
    constructor(compareHost?: FlCompareHost<boolean | T | null> | undefined, host?: FlBaseControlHost<T, T> | undefined, hasIntermediate?: boolean | undefined);
    ngOnChanges({ value }: SimpleChanges): void;
    /** Выбирает текущее значение  */
    select(): void;
    /** Снимает выделение */
    deselect(): void;
    /** Устанавливает состояние intermediate */
    intermediate(): void;
    /** Инвертирует текущее состояние */
    toggle(): void;
    get isIntermediate(): boolean;
    get checked(): boolean | null;
    protected compare(value1: T | boolean | null, value2: T | boolean | null): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<FlControlSelector<any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<FlControlSelector<any>, never, never, { "value": { "alias": "value"; "required": false; }; }, {}, never, never, false, never>;
}