# Constants
MessageAuthRequest is the message for auth request.
MessageAuthResponseFailure is the message for auth response failure.
MessageAuthResponseSuccess is the message for auth response success.
MessageCommand is the message for command.
MessageCommandExitCode is the message for command exit code.
MessageCommandStderr is the message for command stderr.
MessageCommandStdout is the message for command stdout.
MessagePing is the message for ping.
# Structs
AuthRequest is the request for authentication.
Command is the request for command.