text: //
  //	DocumentsUpdate.h
  //	Viewer v1.2.0
  //
  //	Created by Julius Oklamcak on 2012-09-01.
  //	Copyright © 2011-2014 Julius Oklamcak. All rights reserved.
  //
  //	Permission is hereby granted, free of charge, to any person obtaining a copy
  //	of this software and associated documentation files (the "Software"), to deal
  //	in the Software without restriction, including without limitation the rights to
  //	use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  //	of the Software, and to permit persons to whom the Software is furnished to
  //	do so, subject to the following conditions:
  //
  //	The above copyright notice and this permission notice shall be included in all
  //	copies or substantial portions of the Software.
  //
  //	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  //	OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  //	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  //	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  //	WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  //	CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface DocumentsUpdate : NSObject
  
  + (DocumentsUpdate *)sharedInstance;
  
  - (void)cancelAllOperations;
  
  - (void)queueDocumentsUpdate;
  
  - (BOOL)handleOpenURL:(NSURL *)theURL;
  
  extern NSString *const DocumentsUpdateOpenNotification;
  
  @end
  
  #pragma mark -
  
  //
  //	DocumentsUpdateOperation class interface
  //
  
  @interface DocumentsUpdateOperation : NSOperation
  
  extern NSString *const DocumentsUpdateNotification;
  extern NSString *const DocumentsUpdateAddedObjectIDs;
  extern NSString *const DocumentsUpdateDeletedObjectIDs;
  extern NSString *const DocumentsUpdateBeganNotification;
  extern NSString *const DocumentsUpdateEndedNotification;
  extern NSString *const ForceLibraryRebuildNotification;
  @end
  