code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // to you 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.
  
  package org.openqa.selenium.virtualauthenticator;
  
  import java.util.List;
  
  /** Represents a virtual authenticator. */
  public interface VirtualAuthenticator {
  
    /**
     * @return the authenticator unique identifier.
     */
    String getId();
  
    /** Injects a credential into the authenticator. */
    void addCredential(Credential credential);
  
    /**
     * @return the list of credentials owned by the authenticator.
     */
    List<Credential> getCredentials();
  
    /**
     * Removes a credential from the authenticator.
     *
     * @param credentialId the ID of the credential to be removed.
     */
    void removeCredential(byte[] credentialId);
  
    /**
     * Removes a credential from the authenticator.
     *
     * @param credentialId the ID of the credential to be removed as a base64url string.
     */
    void removeCredential(String credentialId);
  
    /** Removes all the credentials from the authenticator. */
    void removeAllCredentials();
  
    /**
     * Sets whether the authenticator will simulate success or fail on user verification.
     *
     * @param verified true if the authenticator will pass user verification, false otherwise.
     */
    void setUserVerified(boolean verified);
  }
  