text: //
  //  NSMutableArray+NTFQueueAdditions.h
  //  
  //
  //  Created by Sergey Kovalenko on 2/3/16.
  //  Copyright © 2016. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface NSMutableArray (NTFQueueAdditions)
  
  - (id)ntf_dequeue;
  - (void)ntf_enqueue:(id)obj;
  - (id)ntf_peek:(NSInteger)index;
  - (id)ntf_peekHead;
  - (id)ntf_peekTail;
  - (BOOL)ntf_empty;
  @end
  