FSSync initializes a transfer of files.

NewFSSyncProvider creates a new provider for sending files from client.

NewFSSyncTarget allows writing into an io.WriteCloser.

NewFSSyncTargetDir allows writing into a directory.

BytesMessage contains a chunk of byte data.

FSSendRequestOpt defines options for FSSend request.

CacheUpdater is an object capable of sending notifications for the cache hash changes.