text: //
  //  NSObject+NSObject_ExtendedMethods.h
  //  Buro 247
  //
  //  Created by Lobanov Dmitry on 09.07.14.
  //
  //
  
  #import <Foundation/Foundation.h>
  
  @interface NSObject (ExtendedMethods)
  
  - (NSData *)jsonData;
  
  + (NSData *)jsonDataFromObject:(NSObject *)object;
  
  - (NSString *)jsonString;
  
  + (NSString *)jsonStringFromObject:(NSObject *)object;
  
  - (instancetype)weakSelf;
  
  - (BOOL)isNotNull;
  
  + (BOOL)isObjectNotNull:(NSObject *)object;
  
  + (BOOL)isObjectNull:(NSObject *)object;
  
  @end
  