import { ElementRef, EventEmitter, OnInit } from '@angular/core';
import * as i0 from "@angular/core";
export declare class DebounceDirective implements OnInit {
    private elementRef;
    delay: number;
    callback: EventEmitter<any>;
    arrowsCallback: EventEmitter<any>;
    private _arrowKeyCodes;
    constructor(elementRef: ElementRef);
    ngOnInit(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<DebounceDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<DebounceDirective, "[debounce]", never, { "delay": "delay"; }, { "callback": "callback"; "arrowsCallback": "arrowsCallback"; }, never, never, false, never>;
}