@@ -0,0 +1,1261 @@
+// Copyright 2019 Google LLC%0A//%0A// Licensed under the Apache License, Version 2.0 (the %22License%22);%0A// you may not use this file except in compliance with the License.%0A// You may obtain a copy of the License at%0A//%0A//     https://www.apache.org/licenses/LICENSE-2.0%0A//%0A// Unless required by applicable law or agreed to in writing, software%0A// distributed under the License is distributed on an %22AS IS%22 BASIS,%0A// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A// See the License for the specific language governing permissions and%0A// limitations under the License.%0A%0Apackage com.google.sps.data;%0A%0Aimport com.google.appengine.api.blobstore.BlobKey;%0Aimport com.google.common.collect.ImmutableSet;%0A%0A/** Information about the logged-in user. */%0Apublic class AuthenticationInformation %7B%0A  // Note: types cannot be Optional due to JSON conversion.%0A  private boolean loggedIn;%0A  private String loginUrl;%0A  private String logoutUrl;%0A  private String email;%0A%0A  // Logged out user.%0A  public AuthenticationInformation(String loginUrl) %7B%0A    this.loginUrl = loginUrl;%0A  %7D%0A%0A  // Logged in user.%0A  public AuthenticationInformation(String logoutUrl, String email) %7B%0A    this.loggedIn = true;%0A    this.logoutUrl = logoutUrl;%0A    this.email = email;%0A  %7D%0A%7D%0A

Create AuthenticationInformation class.