import { ElementRef, AfterViewInit, OnInit } from '@angular/core';
import { NgControl } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class SinDifferenceFromDefaultValueDirective implements AfterViewInit, OnInit {
    private el;
    private ngControl;
    textbox: HTMLInputElement;
    defaultValue: any;
    constructor(el: ElementRef, ngControl: NgControl);
    ngAfterViewInit(): void;
    ngOnInit(): void;
    /**
     * evento di focus out dell'input
     */
    onBlur(): void;
    difference(value: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SinDifferenceFromDefaultValueDirective, [null, { optional: true; }]>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<SinDifferenceFromDefaultValueDirective, "[SinDifferenceFromDefaultValue]", never, { "defaultValue": { "alias": "defaultValue"; "required": false; }; }, {}, never, never, false, never>;
}