- add + (instancetype _Nonnull) formDataFromFilepath:(NSString * _Nonnull) filePath name:(NSString * _Nonnull) name fileName:(NSString * _Nonnull) fileName mimeType:(NSString * _Nonnull) mimeType; - add + (instancetype _Nonnull) formDataFromFileUrl:(NSURL * _Nonnull) fileUrl name:(NSString * _Nonnull) name fileName:(NSString * _Nonnull) fileName mimeType:(NSString * _Nonnull) mimeType;