import { AfterViewInit, ElementRef, EventEmitter, OnInit } from "@angular/core";
/**
 * Allow enter only symbols
 */
export declare class OnlySymbolsDirective implements OnInit, AfterViewInit {
    protected el: ElementRef;
    mask: string;
    inputMode: string;
    onlySymbolsOnReplace: EventEmitter<any>;
    protected input: HTMLInputElement;
    constructor(el: ElementRef);
    ngOnInit(): void;
    ngAfterViewInit(): void;
}