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;
  
  import java.net.URI;
  import java.util.function.Predicate;
  import java.util.function.Supplier;
  import org.openqa.selenium.internal.Require;
  
  /**
   * Indicates that a driver supports authenticating to a website in some way.
   *
   * @see Credentials
   * @see UsernameAndPassword
   */
  public interface HasAuthentication {
  
    /**
     * Registers a check for whether a set of {@link Credentials} should be used for a particular
     * site, identified by its URI. If called multiple times, the credentials will be checked in the
     * order they've been added and the first one to match will be used.
     */
    void register(Predicate<URI> whenThisMatches, Supplier<Credentials> useTheseCredentials);
  
    /**
     * As {@link #register(Predicate, Supplier)} but attempts to apply the credentials for any request
     * for authorization.
     */
    default void register(Supplier<Credentials> alwaysUseTheseCredentials) {
      Require.nonNull("Credentials", alwaysUseTheseCredentials);
  
      register(uri -> true, alwaysUseTheseCredentials);
    }
  }
  