content: /*
   * Copyright (C) 2015 The Android Open Source Project
   *
   * Licensed 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 android.webkit;
  
  import android.annotation.SystemApi;
  
  /**
   * Enables the token binding procotol, and provides access to the keys. See
   * https://tools.ietf.org/html/draft-ietf-tokbind-protocol-03
   *
   * All methods are required to be called on the UI thread where WebView is
   * attached to the View hierarchy.
   * @hide
   * @deprecated this is no longer supported.
   */
  @SystemApi
  @Deprecated
  public abstract class TokenBindingService {
  }
  