import { ElementRef } from '@angular/core';
import { NgControl } from '@angular/forms';
import { Subscription } from 'rxjs';
import * as i0 from "@angular/core";
export declare class DropdownDirective {
    el: ElementRef;
    formControl: NgControl;
    displayProperty: string;
    valueProperty: string;
    items: any[];
    subscriptions: Subscription;
    constructor(el: ElementRef, formControl: NgControl);
    ngOnInit(): void;
    ngOnChanges(): void;
    setValue(): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropdownDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DropdownDirective, "[inputDropdown]", never, { "displayProperty": "displayProperty"; "valueProperty": "valueProperty"; "items": "items"; }, {}, never>;
}