#include #pragma clang assume_nonnull begin typedef void (^CompletionHandler)(int status, NSUInteger bytesTransferred); @interface PFXObject : NSObject { } - (BOOL)enqueueErroryRequestWithError:(NSError *_Nullable *)error completionHandler: (nullable CompletionHandler)completionHandler; - (BOOL)enqueueSyncSuccessfulErroryRequestWithError:(NSError *_Nullable *)error completionHandler:(nullable CompletionHandler) completionHandler; - (BOOL)enqueueAsyncSuccessfulErroryRequestWithError:(NSError *_Nullable *)error completionHandler: (nullable CompletionHandler) completionHandler; @end #pragma clang assume_nonnull end