@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