export type MockGrecaptchaMode = 'success' | 'expired' | 'error';
export declare class MockGrecaptcha implements ReCaptchaV2.ReCaptcha {
    response: string;
    renderCalled: boolean;
    executeCalled: boolean;
    resetCallCount: number;
    getResponseCalled: boolean;
    mode: MockGrecaptchaMode;
    addDelay: boolean;
    callback?: (response: string) => void;
    'expired-callback'?: () => void;
    'error-callback'?: () => void;
    render(container: string | HTMLElement, parameters?: ReCaptchaV2.Parameters | undefined, inherit?: boolean | undefined): number;
    reset(opt_widget_id?: number | undefined): void;
    getResponse(opt_widget_id?: number | undefined): string;
    execute(opt_widget_id?: number): void;
    ready(callback: () => void): void;
    private callCallback;
    constructor(options: {
        mode: MockGrecaptchaMode;
        addDelay?: boolean;
    });
}