public static function store_css_rule( $store_name,
$css_selector,
$css_declarations ) { if ( empty( $store_name ) ||
empty( $css_selector ) ||
empty( $css_declarations ) ) { return;
} static::
get_store( $store_name )->
add_rule( $css_selector )->
add_declarations( $css_declarations );
} /**
* Returns a store by store key.
*
* @since 6.1.0
*
* @param string $store_name A store key.
* @return WP_Style_Engine_CSS_Rules_Store|null
*/
public static function get_store( $store_name ) {