text: //
  //  ViewController.h
  //  PiktochartTest
  //
  //  Created by Gagan5278on 04/02/16.
  //  Copyright © 2016 Gagan5278. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @interface ViewController : UIViewController
  
  //
  - (IBAction)saveInJsonFileButtonPressed:(id)sender;
  
  //
  - (IBAction)undoButtonTapped:(id)sender;
  - (IBAction)redoButtonTapped:(id)sender;
  
  @end
  
  