tokens: All other methods of implementing ( Placing a class method in a utility / Adding to * -Prefix.pch ) will work , but might not be ideal solutions ( assuming the functionality your 're adding is only applicable to UIViewController ) .
ner_tags: O O O O O O O O O O O O B-Application O O O O B-File_Name O O O O O O O O O O O O O O O O O O O O O B-Class O O