text: //
  //  CBLAuthenticator.h
  //  CouchbaseLite
  //
  //  Copyright (c) 2017 Couchbase, Inc All rights reserved.
  //
  //  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.
  //
  
  #import <Foundation/Foundation.h>
  
  /** 
   Authenticator objects provide server authentication credentials to the replicator.
   CBLAuthenticator is an abstract superclass; you must instantiate one of its subclasses.
   CBLAuthenticator is not meant to be subclassed by applications.
   */
  @interface CBLAuthenticator : NSObject
  
  /** Not available */
  - (instancetype) init NS_UNAVAILABLE;
  
  @end
  