/*! firebase-admin v13.8.0 */
/*!
 * @license
 * Copyright 2025 Google LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import { App } from '../app';
import { PhoneNumberVerificationToken } from './phone-number-verification-api';
import { FirebasePhoneNumberTokenInfo } from './phone-number-verification-api-client-internal';
export declare class PhoneNumberTokenVerifier {
    private readonly issuer;
    private readonly tokenInfo;
    private readonly app;
    private readonly shortNameArticle;
    private readonly signatureVerifier;
    constructor(jwksUrl: string, issuer: string, tokenInfo: FirebasePhoneNumberTokenInfo, app: App);
    verifyJWT(jwtToken: string): Promise<PhoneNumberVerificationToken>;
    private ensureProjectId;
    private decodeAndVerify;
    private safeDecode;
    private verifyContent;
    private verifySignature;
    private mapJwtErrorToAuthError;
}