text: //
  //  The MIT License (MIT)
  //  Copyright (c) 2016 Nuno Salvador
  //
  //  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 <IRCoreDataStack/IRCDStack.h>
  
  typedef void(^IRCDStackSaveCompletion)(BOOL saved, NSError *error);
  typedef void(^IRCDStackFetchCompletionBlock)(NSArray *results);
  
  @interface IRCDStack (Operations)
  
  // Saving
  - (BOOL)saveIntoBackgroundContext;
  - (BOOL)saveIntoContext:(NSManagedObjectContext*)context;
  - (void)saveIntoBackgroundContextUsingBlock:(IRCDStackSaveCompletion)savedBlock;
  - (void)saveIntoContext:(NSManagedObjectContext*)context usingBlock:(IRCDStackSaveCompletion)savedBlock;
  
  // CRUD
  - (id)createEntityWithClassName:(NSString *)className
             attributesDictionary:(NSDictionary *)attributesDictionary;
  - (id)createEntityWithClassName:(NSString *)className
             attributesDictionary:(NSDictionary *)attributesDictionary
           inManagedObjectContext:(NSManagedObjectContext *)context;
  - (void)deleteEntity:(NSManagedObject *)entityMO;
  - (void)deleteAllFromEntity:(NSString *)entityName NS_AVAILABLE_IOS(9_0);
  - (void)deleteEntity:(NSManagedObject *)entityMO inManagedObjectContext:(NSManagedObjectContext *)context;
  - (void)deleteAllFromEntity:(NSString *)entityName inManagedObjectContext:(NSManagedObjectContext *)context NS_AVAILABLE_IOS(9_0);
  
  // FETCHING
  - (void)fetchEntriesForClassName:(NSString *)className
                     withPredicate:(NSPredicate *)predicate
                   sortDescriptors:(NSArray *)sortDescriptors
                   completionBlock:(IRCDStackFetchCompletionBlock)completionBlock;
  - (void)fetchEntriesForClassName:(NSString *)className
                     withPredicate:(NSPredicate *)predicate
                   sortDescriptors:(NSArray *)sortDescriptors
              managedObjectContext:(NSManagedObjectContext *)context
                   completionBlock:(IRCDStackFetchCompletionBlock)completionBlock;
  - (void)fetchEntriesForClassName:(NSString *)className
                     withPredicate:(NSPredicate *)predicate
                   sortDescriptors:(NSArray *)sortDescriptors
              managedObjectContext:(NSManagedObjectContext *)context
                      asynchronous:(BOOL)asynchronous
                   completionBlock:(IRCDStackFetchCompletionBlock)completionBlock;
  
  @end
  