AttachmentExceptionHandler typedef
AttachmentExceptionHandler =
Future<bool> Function(Attachment attachment, Object exception, StackTrace stackTrace)
The signature of a function handling an exception when uploading, downloading or deleting an exception.
It returns true
if the operation should be retried.
Implementation
typedef AttachmentExceptionHandler = Future<bool> Function(
Attachment attachment,
Object exception,
StackTrace stackTrace,
);