 			uInt64Array in
 
 			if let uInt64Array = uInt64Array {
-				let numbers: [NSNumber] = uInt64Array.map { NSNumber(value: $0 as UInt64) }
+				let numbers: [NSNumber] = uInt64Array.map { NSNumber(value: $0) }
 
 				return [key : numbers]
 			}

            int64 in
            
            if let int64 = int64 {
                return [key : NSNumber(value: int64 as Int64)]
            }
            
            return nil

			uInt64 in

			if let uInt64 = uInt64 {
				return [key : NSNumber(value: uInt64)]
			}

			return nil
