_publish_changeset_values example

        remove_action( 'customize_register', array( $wp_customize, 'register_controls' ) );
        $wp_customize->register_controls();

        /** This filter is documented in wp-includes/class-wp-customize-manager.php */
        do_action( 'customize_register', $wp_customize );
    }
    $wp_customize->_publish_changeset_values( $changeset_post->ID );

    /* * Trash the changeset post if revisions are not enabled. Unpublished * changesets by default get garbage collected due to the auto-draft status. * When a changeset post is published, however, it would no longer get cleaned * out. This is a problem when the changeset posts are never displayed anywhere, * since they would just be endlessly piling up. So here we use the revisions * feature to indicate whether or not a published changeset should get trashed * and thus garbage collected. */
    if ( ! wp_revisions_enabled( $changeset_post ) ) {