import { AfterViewInit, DestroyRef, ElementRef, OnInit } from '@angular/core';
import { CacSelectOptionsComponent } from './select-options.component';
import * as i0 from "@angular/core";
export declare class OptionsTriggerDirective implements OnInit, AfterViewInit {
    private host;
    destroyRef: DestroyRef;
    uiOptionsTriggerFor?: CacSelectOptionsComponent<any>;
    selector: 'self' | 'input';
    filter: boolean;
    preventMenuOpen: boolean;
    preventMenuClose: boolean;
    private _selectorEl;
    private _previouslyActivatedEl?;
    constructor(host: ElementRef<HTMLInputElement>);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    private getSelectorEl;
    private openMenu;
    private preventOpenTemporary;
    private preventCloseTemporary;
    static ɵfac: i0.ɵɵFactoryDeclaration<OptionsTriggerDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<OptionsTriggerDirective, "[uiOptionsTriggerFor]", never, { "uiOptionsTriggerFor": { "alias": "uiOptionsTriggerFor"; "required": false; }; "selector": { "alias": "selector"; "required": false; }; "filter": { "alias": "filter"; "required": false; }; }, {}, never, never, true, never>;
}