import { PublicKeyCredentialRequestOptionsJSON, UserVerificationRequirement } from '@simplewebauthn/types';
import { AuthenticationExtensionsInputs } from './authentication-extensions-inputs.model';
import { PublicKeyCredentialDescriptor } from './public-key-credential-descriptor.model';
import { Base64UrlString } from '../../../encapsulation/webauthn.utilities';
export declare class PublicKeyCredentialRequestOptions implements PublicKeyCredentialRequestOptionsJSON {
    challenge: Base64UrlString;
    timeout?: number;
    rpId?: string;
    allowCredentials?: PublicKeyCredentialDescriptor[];
    userVerification?: UserVerificationRequirement;
    extensions?: AuthenticationExtensionsInputs;
}