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.util.function.Supplier;
  import org.openqa.selenium.internal.Require;
  
  /** A combination of username and password to use when authenticating a browser with a website. */
  public class UsernameAndPassword implements Credentials {
  
    private final String username;
    private final String password;
  
    public UsernameAndPassword(String username, String password) {
      this.username = Require.nonNull("User name", username);
      this.password = Require.nonNull("Password", password);
    }
  
    public static Supplier<Credentials> of(String username, String password) {
      Require.nonNull("User name", username);
      Require.nonNull("Password", password);
  
      Credentials creds = new UsernameAndPassword(username, password);
  
      return () -> creds;
    }
  
    public String username() {
      return username;
    }
  
    public String password() {
      return password;
    }
  }
  