SftpOpenRequest
public SftpOpenRequest(uint protocolVersion, uint requestId, string fileName, Encoding encoding, Flags flags, Action<SftpHandleResponse> handleAction, Action<SftpStatusResponse> statusAction)
public SftpOpenRequest(uint protocolVersion, uint requestId, string fileName, Encoding encoding, Flags flags, SftpFileAttributes attributes, Action<SftpHandleResponse> handleAction, Action<SftpStatusResponse> statusAction)