--- /dev/null
+<?php
+
+namespace Drupal\layout_plugin;
+
+/**
+ * Class Layout.
+ */
+class Layout {
+
+ /**
+ * Returns the plugin manager for the Layout plugin type.
+ *
+ * @return \Drupal\layout_plugin\Plugin\Layout\LayoutPluginManagerInterface
+ * Layout manager.
+ */
+ public static function layoutPluginManager() {
+ return \Drupal::service('plugin.manager.layout_plugin');
+ }
+
+ /**
+ * Return all available layout as an options array.
+ *
+ * If group_by_category option/parameter passed group the options by
+ * category.
+ *
+ * @param array $params
+ * (optional) An associative array with the following keys:
+ * - group_by_category: (bool) If set to TRUE, return an array of arrays
+ * grouped by the category name; otherwise, return a single-level
+ * associative array.
+ *
+ * @return array
+ * Layout options, as array.
+ *
+ * @deprecated
+ * Use \Drupal\layout_plugin\Plugin\Layout\LayoutPluginManagerInterface::getLayoutOptions().
+ */
+ public static function getLayoutOptions(array $params = []) {
+ return static::layoutPluginManager()->getLayoutOptions($params);
+ }
+
+ /**
+ * Return theme implementations for layouts that give only a template.
+ *
+ * @return array
+ * An associative array of the same format as returned by hook_theme().
+ *
+ * @see hook_theme()
+ *
+ * @deprecated
+ * Use \Drupal\layout_plugin\Plugin\Layout\LayoutPluginManagerInterface::getThemeImplementations().
+ */
+ public static function getThemeImplementations() {
+ return static::layoutPluginManager()->getThemeImplementations();
+ }
+
+ /**
+ * Modifies the theme implementations for the layouts that we registered.
+ *
+ * @param array &$theme_registry
+ * An associative array of the same format as passed to hook_theme_registry_alter().
+ *
+ * @see hook_theme_registry_alter()
+ *
+ * @deprecated
+ * Use \Drupal\layout_plugin\Plugin\Layout\LayoutPluginManagerInterface::alterThemeImplementations().
+ */
+ public static function alterThemeImplementations(array &$theme_registry) {
+ static::layoutPluginManager()->alterThemeImplementations($theme_registry);
+ }
+
+ /**
+ * Return library info for layouts that want to automatically register CSS.
+ *
+ * @return array
+ * An associative array of the same format as returned by
+ * hook_library_info_build().
+ *
+ * @see hook_library_info_build()
+ *
+ * @deprecated
+ * Use \Drupal\layout_plugin\Plugin\Layout\LayoutPluginManagerInterface::alterThemeImplementations().
+ */
+ public static function getLibraryInfo() {
+ return static::layoutPluginManager()->getLibraryInfo();
+ }
+
+}