@class NSString; @interface CSContactsWrapper : NSObject @property (class, readonly, nonatomic) Class CNContactClass; @property (class, readonly, nonatomic) Class CNContactFetchRequestClass; @property (class, readonly, nonatomic) Class CNContactFormatterClass; @property (class, readonly, nonatomic) Class CNContactStoreClass; @property (class, readonly, nonatomic) id CNContactNicknameKey; @property (readonly, nonatomic) Class CNContactPropertyClass; @property (readonly, nonatomic) NSString *CNContactEmailAddressesKeyString; + (id)sharedInstance; @end