default boolean isUsingSaslExternal() {
        return getAuthenticationMethod() == AuthenticationMethod.SASL_EXTERNAL;
    }
Returns true if this server session was authenticated using the SASL EXTERNAL mechanism.

@return true if this server session was authenticated using the SASL EXTERNAL mechanism.
xmppserver/src/main/java/org/jivesoftware/openfire/session/ServerSession.java