System/Library/PrivateFrameworks/Message.framework

_TtCCC7Message25InProgressMessageDownload26AttachmentDecoderAndWriter7Decoder.h

Download _TtCCC7Message25InProgressMessageDownload26AttachmentDecoderAndWriter7Decoder.h

1. _TtCs12_SwiftObject

@interface _TtCCC7Message25InProgressMessageDownload26AttachmentDecoderAndWriter7Decoder : _TtCs12_SwiftObject {
    void /* unknown type, empty encoding */ mediaType;
    void /* unknown type, empty encoding */ encoding;
    void /* unknown type, empty encoding */ filter;
    void /* unknown type, empty encoding */ decoded;
    void /* unknown type, empty encoding */ decodedSmall;
    void /* unknown type, empty encoding */ filterIsDone;
}

@end