/// Session error
#[derive(Debug)]pubenumSessionError{/// Received a session that is expired.
ExpiredSession,/// Received a request which CSRF token differs from the stored CSRF token.
InvalidCsrfRequest,/// The secret must have a specific number of bytes.
InvalidSecretLength,/// Received a session that differs from the stored session.
InvalidStoredSession,/// Path required a session, but there was none
RequiredSession,}