@interface Message.InProgressMessageDownload : _TtCs12_SwiftObject {
void /* unknown type, empty encoding */ uid;
void /* unknown type, empty encoding */ bodyStructure;
void /* unknown type, empty encoding */ existingData;
void /* unknown type, empty encoding */ downloadedHeader;
void /* unknown type, empty encoding */ sections;
void /* unknown type, empty encoding */ passAndActionID;
void /* unknown type, empty encoding */ cleanedUpFullMessageData;
void /* unknown type, empty encoding */ _cachedAttachmentFilenames;
}
@end