import { GoogleRecaptchaModuleOptions } from '../interfaces/google-recaptcha-module-options';
import { GoogleRecaptchaEnterpriseOptions } from '../interfaces/google-recaptcha-enterprise-options';
import { ScoreValidator, SkipIfValue } from '../types';
export declare class RecaptchaConfigRef {
    private readonly value;
    get valueOf(): GoogleRecaptchaModuleOptions;
    constructor(value: GoogleRecaptchaModuleOptions);
    setSecretKey(secretKey: string): this;
    setEnterpriseOptions(options: GoogleRecaptchaEnterpriseOptions): this;
    setScore(score: ScoreValidator): this;
    setSkipIf(skipIf: SkipIfValue): this;
}