import { ChangeDetectorRef, ElementRef, EventEmitter, OnDestroy, OnInit } from '@angular/core';
import { Observable, Subject } from 'rxjs';
import { DropDownEventMessagesService } from '../../services/drop-down-event-messages/drop-down-event-messages.service';
import * as i0 from "@angular/core";
export declare class DropDownSearchComponent implements OnInit, OnDestroy {
    private cdr;
    private dropDownEventMessagesService;
    /**
     * the minimal number of chars to start search
     */
    minNumOfChars: number;
    /**
     * the debounce time between key strokes in search box
     */
    searchDebounceTime: number;
    /**
     * when search value changed
     */
    searched: EventEmitter<string>;
    /**
     * Ref to out search text box element
     */
    searchTextBoxElement: ElementRef;
    ngUnSubscribe: Subject<void>;
    searchValue$: Subject<string>;
    searchValueChanged$: Observable<string>;
    constructor(cdr: ChangeDetectorRef, dropDownEventMessagesService: DropDownEventMessagesService);
    ngOnInit(): void;
    ngOnDestroy(): void;
    /**
     * Set search text box in focus
     */
    onMouseDown(): void;
    /**
     * emit value when changed
     * @param value
     */
    emitValueChanged(value: string): void;
    /**
     * listen to set search on focus
     * @constructor
     */
    ListenToSetSearchOnFocus(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DropDownSearchComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<DropDownSearchComponent, "sing-drop-down-search", never, { "minNumOfChars": "minNumOfChars"; "searchDebounceTime": "searchDebounceTime"; }, { "searched": "searched"; }, never, never, false, never>;
}
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