Read the entire file contents as a list of bytes. Returns a Future<List<int>>
that completes with the list of bytes that is the contents of the file.
Future<List<int>> readAsBytes();
© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-io/File/readAsBytes.html