/// <reference types="grecaptcha" />
import { ControlValueAccessor } from '@angular/forms';
export declare class ReCaptchaComponent implements ControlValueAccessor {
    id: string;
    siteKey?: string;
    theme?: ReCaptchaV2.Theme;
    type?: ReCaptchaV2.Type;
    size?: ReCaptchaV2.Size;
    tabIndex?: number;
    badge?: ReCaptchaV2.Badge;
    private onChange?;
    private onTouched?;
    private host;
    writeValue(value: string): void;
    registerOnChange(fn: (value: string) => void): void;
    registerOnTouched(fn: () => void): void;
    onResolve($event: string): void;
}