import { ElementRef, Renderer2, AfterViewInit } from '@angular/core';
import { NgControl } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class SinAllowInputDirective implements AfterViewInit {
    private el;
    private renderer;
    private ngControl;
    textbox: HTMLInputElement;
    allowNumber: boolean;
    allowLetter: boolean;
    allowSpecialCharacter: string;
    maxLength: string;
    constructor(el: ElementRef, renderer: Renderer2, ngControl: NgControl);
    ngAfterViewInit(): void;
    onInput(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SinAllowInputDirective, [null, null, { optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SinAllowInputDirective, "[SinAllowInput]", never, { "allowNumber": { "alias": "allowNumber"; "required": false; }; "allowLetter": { "alias": "allowLetter"; "required": false; }; "allowSpecialCharacter": { "alias": "allowSpecialCharacter"; "required": false; }; "maxLength": { "alias": "maxLength"; "required": false; }; }, {}, never, never, false, never>;
}