import { OnInit } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import * as i0 from "@angular/core";
export declare class CaptchaValueAccessorDirective implements ControlValueAccessor, OnInit {
    private readonly captchaComponent;
    private onChange;
    private onTouched;
    private resolved;
    ngOnInit(): void;
    writeValue(_: any): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<CaptchaValueAccessorDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<CaptchaValueAccessorDirective, "spa-captcha[formControl], spa-captcha[formControlName], spa-captcha[ngModel]", never, {}, {}, never, never, false, never>;
}