         }
     }
     
-    func createManagedObject(
+    func createData(
         entityName:String,
         completion:@escaping((NSManagedObject?) -> ()))
     {

        }
    }
    
    func createManagedObjectAndWait(entityName:String) -> NSManagedObject?
    {
        var managedObject:NSManagedObject?
        

        return managedObject
    }
    
    func fetchData(
        entityName:String,
        limit:Int = 0,
        predicate:NSPredicate? = nil,
