import { ControlValueAccessor } from '@angular/forms';
import { CaptchaComponent } from './captcha.component';
import * as i0 from "@angular/core";
export declare class RecaptchaValueAccessorDirective implements ControlValueAccessor {
    private host;
    /** @internal */
    private onChange;
    /** @internal */
    private onTouched;
    constructor(host: CaptchaComponent);
    writeValue(value: string): void;
    registerOnChange(fn: (value: string) => void): void;
    registerOnTouched(fn: () => void): void;
    onResolve($event: string): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<RecaptchaValueAccessorDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<RecaptchaValueAccessorDirective, "rad-ui-captcha[formControlName],rad-ui-captcha[formControl],rad-ui-captcha[ngModel]", never, {}, {}, never, never, false, never>;
}