@class MFAttachment, NSProgress; @interface _MFAttachmentActiveRequest : NSObject @property (readonly, nonatomic) MFAttachment *attachment; @property (readonly, nonatomic) NSProgress *downloadProgress; @property (readonly, copy, nonatomic) id /* block */ fetchCompletionBlock; @property (readonly, nonatomic) BOOL wantsCompletionBlockOffMainThread; @property (nonatomic) long long lastProgressBytes; @property (nonatomic) double lastProgressTime; - (void).cxx_destruct; - (id)initWithAttachment:(id)a0; - (void)completeWithData:(id)a0 error:(id)a1; @end