pub const BI = struct {
    pub const AUTH = "authorize"; // Accepted authentication
    pub const REJECT = "reject"; // Rejected authentication
    pub const CHALLENGE = "reject challenge"; // Reject with a challenge
    pub const SILENT = "reject silent"; // Reject silently
    pub const REMOVE = "remove"; // remove file on error
    pub const ROOTOKAY = "authorize root"; // root authenticated
    pub const SECURE = "authorize secure"; // okay on non-secure line
    pub const SETENV = "setenv"; // set environment variable
    pub const UNSETENV = "unsetenv"; // unset environment variable
    pub const VALUE = "value"; // set local variable
    pub const EXPIRED = "reject expired"; // account expired
    pub const PWEXPIRED = "reject pwexpired"; // password expired
    pub const FDPASS = "fd"; // child is passing an fd
}