function _sync_cron_method( array $blog_ids, $current_blog_id = null ) {
            if ( $this->is_registered() ) {
                if ( $this->has_paid_plan() ) {
                    // Initiate background plan sync.
                    $this->_sync_license( true, false, $current_blog_id );

                    if ( $this->is_paying() ) {
                        // Check for premium plugin updates.
                        $this->check_updates( true );
                    }
                } else {
                    // Sync install(s) (only if something changed locally).
                    if ( 1 < count( $blog_ids ) ) {
                        $this->sync_installs();
                    } else {
                        $this->sync_install();
                    }
                }
            }
        }