text: //
  // Created by Yves Le Borgne on 2015-10-23.
  // Copyright (c) 2015-2019 Portable EHR inc. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  
  @interface PersistenceManager : NSObject {
  
      NSInteger _instanceNumber;
  
  }
  
  +(PersistenceManager *) sharedPersistenceManager;
  
  @end