import { AfterViewInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare const GM_SELECT_ALL_VALUE = "";
export declare class GmSelectAllOptionDirective implements AfterViewInit {
    private controlRef;
    private destroyRef;
    cols: any[];
    keyCols: any;
    private _control;
    private _matOption;
    ngAfterViewInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<GmSelectAllOptionDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<GmSelectAllOptionDirective, "mat-option[gmAllOption]", never, { "cols": { "alias": "cols"; "required": false; }; "keyCols": { "alias": "keyCols"; "required": false; }; }, {}, never, never, true, never>;
}