public boolean hasBalancingGroup() {
        return balancingGroup != null;
    }
Returns whether the connection associated with this connection record
was chosen from a balancing group.

@return
    true if the connection associated with this connection record was
    chosen from a balancing group, false otherwise.
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-base/src/main/java/org/apache/guacamole/auth/jdbc/tunnel/ActiveConnectionRecord.java