import { AfterViewInit, EventEmitter, OnInit } from '@angular/core';
import { IFormItemsControls } from '../../../../interface/form-structure';
import { FormItemComponentInterface } from '../../../../interface/component';
import { FormEventService } from '../../../../services/formEventService';
import { MatSelectChange } from '@angular/material/select';
export declare class DropdownComponent implements OnInit, AfterViewInit, FormItemComponentInterface {
    private eventListenerService;
    prop: IFormItemsControls;
    isFilter: boolean;
    keyOnEnter: EventEmitter<any>;
    datasetId: number;
    formId: number;
    constructor(eventListenerService: FormEventService);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    onSelect($event: MatSelectChange): void;
}