fetchBytes abstract method
Fetch content body as bytes from a resource identified by reference
.
Depending on the API the reference
can be a relative path, an absolute
URL, a key, or other identifier relevant on a context of an API.
Throws an ApiException
if fetching fails. Implementations like HTTP
fetcher may also throw other status codes than codes for success as
exceptions.
Implementation
Future<Uint8List> fetchBytes(Uri reference);