in lib/src/file_descriptor.dart [38:45]
factory FileDescriptor(String name, Object? contents) {
if (contents is String) return _StringFileDescriptor(name, contents);
if (contents is List) {
return _BinaryFileDescriptor(name, contents.cast<int>());
}
if (contents == null) return _BinaryFileDescriptor(name, []);
return _MatcherFileDescriptor(name, contents as Matcher);
}