@protocol CHContactDataSource; @interface CHContactProvider : NSObject <CHCallContactProvider> @property (readonly, nonatomic) id<CHContactDataSource> dataSource; - (id)initWithDataSource:(id)a0; - (void).cxx_destruct; - (id)contactsByHandleForCalls:(id)a0 keyDescriptors:(id)a1 error:(id *)a2; - (id)contactsByHandleForHandles:(id)a0 keyDescriptors:(id)a1 error:(id *)a2; @end