horseshoe7

// see also this gist: https://gist.github.com/horseshoe7/e85bbb90278f626bea2f827ee5228703
// and a post about Core Data migrations at http://horseshoe7.wordpress.com

import Foundation
import CoreData

class CoreDataStackHelper : NSObject, MHWMigrationManagerDelegate {
    
    var currentModelStoreURL: URL? = nil
    

horseshoe7

#import <Foundation/Foundation.h>
#import <CoreData/CoreData.h>

@class MHWMigrationManager;

@protocol MHWMigrationManagerDelegate <NSObject>

NS_ASSUME_NONNULL_BEGIN
@optional
- (void)migrationManager:(MHWMigrationManager *)migrationManager migrationProgress:(float)migrationProgress;