import { OnInit } from '@angular/core';
import { FormBuilder, FormGroup } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class SelectDemoComponent implements OnInit {
    private fb;
    heroForm: FormGroup;
    isCitiesControlVisible: boolean;
    cities: any[];
    constructor(fb: FormBuilder);
    ngOnInit(): void;
    toggleCitiesControl(): void;
    clearCities(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SelectDemoComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SelectDemoComponent, "ng-select-demo", never, {}, {}, never, never, false, never>;
}