@interface MTLReversibleValueTransformer : MTLValueTransformer + (BOOL)allowsReverseTransformation; - (id)reverseTransformedValue:(id)a0; - (id)initWithForwardBlock:(id /* block */)a0 reverseBlock:(id /* block */)a1; - (id)reverseTransformedValue:(id)a0 success:(BOOL *)a1 error:(id *)a2; @end