@interface BKDefaults : NSObject + (id)device; + (id)numberForKey:(id)a0 withError:(id *)a1; + (BOOL)setNumber:(id)a0 forKey:(id)a1 withError:(id *)a2; + (BOOL)setString:(id)a0 forKey:(id)a1 withError:(id *)a2; + (id)stringForKey:(id)a0 withError:(id *)a1; @end