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Notifications for YouTube/NumberValueTransformer.m

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+//
+//  TimeIntervalValueTransformer.m
+//  Notifications for YouTube
+//
+//  Created by Kim Wittenburg on 20.07.13.
+//  Copyright (c) 2013 Kim Wittenburg. All rights reserved.
+//
+
+#import "NumberValueTransformer.h"
+
+@implementation NumberValueTransformer
+
++ (Class)transformedValueClass
+{
+    return [NSNumber class];
+}
+
++ (BOOL)allowsReverseTransformation
+{
+    return YES;
+}
+
+- (id)transformedValue:(id)value
+{
+    return value;
+}
+
+- (id)reverseTransformedValue:(id)value
+{
+    return value;
+}
+
+@end