function _add_default_submenu_items() {
            if ( ! $this->is_on() ) {
                return;
            }

            if ( ! $this->is_activation_mode() &&
                 ( ( $this->_is_network_active && fs_is_network_admin() ) ||
                   ( ! $this->_is_network_active && is_admin() ) )
            ) {
                $this->add_submenu_link_item(
                    $this->apply_filters( 'support_forum_submenu', $this->get_text_inline( 'Support Forum', 'support-forum' ) ),
                    $this->get_support_forum_url(),
                    'wp-support-forum',
                    null,
                    50,
                    $this->is_submenu_item_visible( 'support' )
                );
            }
        }