//! FTP security extensions from RFC 2228.
//!
//! * [RFC 2228](https://tools.ietf.org/html/rfc2228)
define_command!;
define_command!;
define_command!;
// FIXME: Turn protection_level into an enum.
// C - Clear
// S - Safe
// E - Confidential
// P - Private
define_command!;
define_command!;
define_command!;
define_command!;
define_command!;