public GuacamoleTunnel getTunnel() {
        return tunnel;
    }
Returns the GuacamoleTunnel currently associated with the active
connection represented by this connection record.

@return
    The GuacamoleTunnel currently associated with the active connection
    represented by this connection record.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/tunnel/ActiveConnectionRecord.java