Fetch returns a Reader for a file at a given SFTP address.

FetchWithKey parses the provided key, appends the key to the ClientOption options, and then calls Fetch with the uri and options.

NewReader creates a new Reader for reading a file from a SFTP server.

NewWriter creates a new WRiter for reading a file from a SFTP server.

Stat stats the given resource.

Reader implements the io.ReadCloser interface to enabling reading a remote file on a SFTP server and closing the underlying connections.

Writer implements the io.WriteCloser interface to enabling writing a remote file on a SFTP server and closing the underlying connections.