export class AuthServiceBase {
  constructor() {
    if (new.target === AuthServiceBase) {
      throw new TypeError('Cannot instantiate abstract class');
    }
  }

  async authenticate() { throw new Error('authenticate() must be implemented'); }
  async getAccessToken() { throw new Error('getAccessToken() must be implemented'); }
  async refreshToken() { throw new Error('refreshToken() must be implemented'); }
  async revokeAccess() { throw new Error('revokeAccess() must be implemented'); }
  async getUserInfo() { throw new Error('getUserInfo() must be implemented'); }
}

export default AuthServiceBase;