import { EventEmitter, OnInit, OnDestroy, Injector } from '@angular/core';
import { FormControl, FormGroup } from '@angular/forms';
import { FormConfig } from '../../Service/FormConfig';
import { NgFormControl } from '../NgFormControl';
export declare class DropDownComponent extends NgFormControl<any> implements OnInit, OnDestroy {
    injector: Injector;
    config: FormConfig;
    template: any;
    private _isMultiple;
    isMultiple: boolean;
    inInputGroup: boolean;
    name: string;
    label: string;
    appendTo: string;
    required: boolean;
    disabled: boolean;
    placeholder: string;
    options: {
        text: string;
        [key: string]: any;
    }[];
    selectBy: string;
    labelField: string;
    parentFormControl: FormControl;
    parentFormGroup: FormGroup;
    typeahead: EventEmitter<string>;
    icon: string;
    iconPlacement: string;
    identifier: string;
    constructor(injector: Injector, config: FormConfig);
    ngOnInit(): void;
    ngOnDestroy(): void;
    onMultipleChange(): void;
    areOptionsProvided(): boolean;
    isIconProvided(): boolean;
    isIconPlacementBefore(): boolean;
    getReadOnlyValue(): any;
}