mponents do not exists and
	 * the Document manager and Kits manager instances cannot be used.
	 *
	 * @return int|void|\WP_Error
	 */
	public static function create_default_kit() {
		if ( get_option( self::OPTION_ACTIVE ) ) {
			return;
		}

		$id = wp_insert_post( [
			'post_title' => esc_html__( 'Default Kit', 'elementor' ),
			'post_type' => Source_Local::CPT,
			'post_status' => 'publish',
			'meta_input' => [
				'_elementor_edit_mode' => 'builder',
				Document::TYPE_META_KEY => 'kit',
			],
		] );

		update_option( self::OPTION_ACTIVE, $id );

		return $id;
	}

	/**
	 * @param $imported_kit_id int The id of the imported kit that should be deleted.
	 * @param $active_kit_id int The id of the kit that should set as 'active_kit' after the deletion.
	 * @param $previous_kit_id int The id of the kit that should set as 'previous_kit' after the deletion.
	 * @return void
	 */
	public function revert( int $imported_kit_id, int $active_kit_id, int $previous_kit_id ) {
		// If the kit that should set as active is not a valid kit then abort the revert.
		if ( ! $this->is_kit( $active_kit_id ) ) {
			return;
		}

		// This a hacky solution to avoid from the revert process to be interrupted by the `trash_kit_confirmation`.
		$this->should_skip_trash_kit_confirmation = true;

		$kit = $this->get_kit( $imported_kit_id );
		$kit->force_delete();

		$this->should_skip_trash_kit_confirmation = false;

		update_option( self::OPTION_ACTIVE, $active_kit_id );

		if ( $this->is_kit( $previous_kit_id ) ) {
			update_option( self::OPTION_PREVIOUS, $previous_kit_id );
		}
	}

	/**
	 * @param Documents_Manager $documents_manager
	 */
	public function register_document( $documents_manager ) {
		$documents_manager->register_document_type( 'kit', Kit::get_class_full_name() );
	}

	public function localize_settings( $settings ) {
		$kit = $this->get_active_kit();
		$kit_controls = $kit->get_controls();
		$design_system_controls = [
			'colors' => $kit_controls['system_colors']['fields'],
			'typography' => $kit_controls['system_typography']['fields'],
		];

		$settings = array_replace_recursive( $settings, [
			'kit_id' => $kit->get_main_id(),
			'kit_config' => [
				'typography_prefix' => Global_Typography::TYPOGRAPHY_GROUP_PREFIX,
				'design_system_controls' => $design_system_controls,
			],
			'user' => [
				'can_edit_kit' => $kit->is_editable_by_current_user(),
			],
		] );

		return $settings;
	}

	public function preview_enqueue_styles() {
		$kit = $this->get_kit_for_frontend();

		if ( $kit ) {
			// On preview, the global style is not enqueued.
			$this->frontend_before_enqueue_styles();

			Plugin::$instance->frontend->print_fonts_links();
		}
	}

	public function frontend_before_enqueue_styles() {
		$kit = $this->get_kit_for_frontend();

		if ( $kit ) {
			if ( $kit->is_autosave() ) {
				$css_file = Post_Preview::create( $kit->get_id() );
			} else {
				$css_file = Post_CSS::create( $kit->get_id() );
			}

			$css_file->enqueue();
		}
	}

	public function render_panel_html() {
		require __DIR__ . '/views/panel.php';
	}

	public function get_kit_for_frontend() {
		$kit = false;
		$active_kit = $this->get_active_kit();
		$is_kit_preview = is_preview() && isset( $_GET['preview_id'] ) && $active_kit->get_main_id() === (int) $_GET['preview_id'];

		if ( $is_kit_preview ) {
			$kit = Plugin::$instance->documents->get_doc_or_auto_save( $active_kit->get_main_id(), get_current_user_id() );
		} elseif ( 'publish' === $active_kit->get_main_post()->post_status ) {
			$kit = $active_kit;
		}

		return $kit;
	}

	public function update_kit_settings_based_on_option( $key, $value ) {
		/** @var Kit $active_kit */
		$active_kit = $this->get_active_kit();

		if ( $active_kit->is_saving() ) {
			return;
		}

		$active_kit->update_settings( [ $key => $value ] );
	}

	/**
	 * Map Scheme To Global
	 *
	 * Convert a given scheme value to its corresponding default global value
	 *
	 * @param string $type 'color'/'typography'
	 * @param $value
	 * @return mixed
	 */
	private function map_scheme_to_global( $type, $value ) {
		$schemes_to_globals_map = [
			'color' => [
				'1' => Global_Colors::COLOR_PRIMARY,
				'2' => Global_Colors::COLOR_SECONDARY,
				'3' => Global_Colors::COLOR_TEXT,
				'4' => Global_Colors::COLOR_ACCENT,
			],
			'typography' => [
				'1' => Global_Typography::TYPOGRAPHY_PRIMARY,
				'2' => Global_Typography::TYPOGRAPHY_SECONDARY,
				'3' => Global_Typography::TYPOGRAPHY_TEXT,
				'4' => Global_Typography::TYPOGRAPHY_ACCENT,
			],
		];

		return $schemes_to_globals_map[ $type ][ $value ];
	}

	/**
	 * Convert Scheme to Default Global
	 *
	 * If a control has a scheme property, convert it to a default Global.
	 *
	 * @param $scheme - Control scheme property
	 * @return array - Control/group control args
	 * @since 3.0.0
	 * @access public
	 */
	public function convert_scheme_to_global( $scheme ) {
		if ( isset( $scheme['type'] ) && isset( $scheme['value'] ) ) {
			//_deprecated_argument( $args['scheme'], '3.0.0', 'Schemes are now deprecated - use $args[\'global\'] instead.' );
			return $this->map_scheme_to_global( $scheme['type'], $scheme['value'] );
		}

		// Typography control 'scheme' properties usually only include the string with the typography value ('1'-'4').
		return $this->map_scheme_to_global( 'typography', $scheme );
	}

	public function register_controls() {
		$controls_manager = Plugin::$instance->controls_manager;

		$controls_manager->register( new Repeater() );
	}

	public function is_custom_colors_enabled() {
		return ! get_option( 'elementor_disable_color_schemes' );
	}

	public function is_custom_typography_enabled() {
		return ! get_option( 'elementor_disable_typography_schemes' );
	}

	/**
	 * Add kit wrapper body class.
	 *
	 * It should be added even for non Elementor pages,
	 * in order to support embedded templates.
	 */
	private function add_body_class() {
		$kit = $this->get_kit_for_frontend();

		if ( $kit ) {
			Plugin::$instance->frontend->add_body_class( 'elementor-kit-' . $kit->get_main_id() );
		}
	}

	/**
	 * Send a confirm message before move a kit to trash, or if delete permanently not for trash.
	 *
	 * @param       $post_id
	 * @param false $is_permanently_delete
	 */
	private function before_delete_kit( $post_id, $is_permanently_delete = false ) {
		if ( $this->should_skip_trash_kit_confirmation ) {
			return;
		}

		$document = Plugin::$instance->documents->get( $post_id );

		if (
			! $document ||
			! $this->is_kit( $post_id ) ||
			isset( $_GET['force_delete_kit'] ) ||  // phpcs:ignore -- nonce validation is not require here.
			( $is_permanently_delete && $document->is_trash() )
		) {
			return;
		}

		ob_start();
		require __DIR__ . '/views/trash-kit-confirmation.php';

		$confirmation_content = ob_get_clean();

		// PHPCS - the content does not contain user input value.
		wp_die( new \WP_Error( 'cant_delete_kit', $confirmation_content ) ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
	}

	/**
	 * Add 'Edit with elementor -> Site Settings' in admin bar.
	 *
	 * @param [] $admin_bar_config
	 *
	 * @return array $admin_bar_config
	 */
	private function add_menu_in_admin_bar( $admin_bar_config ) {
		$document = Plugin::$instance->documents->get( get_the_ID() );

		if ( ! $document || ! $document->is_built_with_elementor() ) {
			$recent_edited_post = Utils::get_recently_edited_posts_query( [
				'posts_per_page' => 1,
			] );

			if ( $recent_edited_post->post_count ) {
				$posts = $recent_edited_post->get_posts();
				$document = Plugin::$instance->documents->get( reset( $posts )->ID );
			}
		}

		if ( $document ) {
			$document_edit_url = add_query_arg(
				[
					'active-document' => $this->get_active_id(),
				],
				$document->get_edit_url()
			);

			$admin_bar_config['elementor_edit_page']['children'][] = [
				'id' => 'elementor_site_settings',
				'title' => esc_html__( 'Site Settings', 'elementor' ),
				'sub_title' => esc_html__( 'Site', 'elementor' ),
				'href' => $document_edit_url,
				'class' => 'elementor-site-settings',
				'parent_class' => 'elementor-second-section',
			];
		}

		return $admin_bar_config;
	}

	public function __construct() {
		add_action( 'elementor/documents/register', [ $this, 'register_document' ] );
		add_filter( 'elementor/editor/localize_settings', [ $this, 'localize_settings' ] );
		add_filter( 'elementor/editor/footer', [ $this, 'render_panel_html' ] );
		add_action( 'elementor/frontend/after_enqueue_styles', [ $this, 'frontend_before_enqueue_styles' ], 0 );
		add_action( 'elementor/preview/enqueue_styles', [ $this, 'preview_enqueue_styles' ], 0 );
		add_action( 'elementor/controls/register', [ $this, 'register_controls' ] );

		add_action( 'wp_trash_post', function ( $post_id ) {
			$this->before_delete_kit( $post_id );
		} );

		add_action( 'before_delete_post', function ( $post_id ) {
			$this->before_delete_kit( $post_id, true );
		} );

		add_action( 'update_option_blogname', function ( $old_value, $value ) {
			$this->update_kit_settings_based_on_option( 'site_name', $value );
		}, 10, 2 );

		add_action( 'update_option_blogdescription', function ( $old_value, $value ) {
			$this->update_kit_settings_based_on_option( 'site_description', $value );
		}, 10, 2 );

		add_action( 'wp_head', function() {
			$this->add_body_class();
		} );

		add_filter( 'elementor/frontend/admin_bar/settings', function ( $admin_bar_config ) {
			return $this->add_menu_in_admin_bar( $admin_bar_config );
		}, 9 /* Before site-editor (theme-builder) */ );
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'Elementor\Core\Kits\Manager' not found in /home/sportuga/public_html/wp-content/plugins/elementor/includes/plugin.php:715
Stack trace:
#0 /home/sportuga/public_html/wp-content/plugins/elementor/includes/plugin.php(647): Elementor\Plugin-&gt;init_components()
#1 /home/sportuga/public_html/wp-includes/class-wp-hook.php(324): Elementor\Plugin-&gt;init('')
#2 /home/sportuga/public_html/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#3 /home/sportuga/public_html/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#4 /home/sportuga/public_html/wp-settings.php(695): do_action('init')
#5 /home/sportuga/public_html/wp-config.php(102): require_once('/home/sportuga/...')
#6 /home/sportuga/public_html/wp-load.php(50): require_once('/home/sportuga/...')
#7 /home/sportuga/public_html/wp-blog-header.php(13): require_once('/home/sportuga/...')
#8 /home/sportuga/public_html/index.php(17): require('/home/sportuga/...')
#9 {main}
  thrown in <b>/home/sportuga/public_html/wp-content/plugins/elementor/includes/plugin.php</b> on line <b>715</b><br />