openFileSource method

TransportFileSource openFileSource(
  1. String path,
  2. int expectedLength
)

Implementation

TransportFileSource openFileSource(String path, int expectedLength) {
  final open = _openFileSource;
  if (open == null) {
    throw UnsupportedError('This progressive call cannot send file segments');
  }
  return open(path, expectedLength);
}