;
		return $config;
	}

	public static function get_custom_icons_config() {
		$config = get_option( self::OPTION_NAME, false );
		if ( false === $config ) {
			$icons = new \WP_Query( [
				'post_type' => Icons_Manager::CPT,
				'posts_per_page' => -1,
				'post_status' => 'publish',
			] );
			$config = [];
			foreach ( $icons->posts as $icon_set ) {
				$set_config = json_decode( self::get_icon_set_config( $icon_set->ID ), true );
				$set_config['custom_icon_post_id'] = $icon_set->ID;
				$set_config['label'] = $icon_set->post_title;
				if ( isset( $set_config['fetchJson'] ) ) {
					unset( $set_config['icons'] );
				}
				$config[ $set_config['name'] ] = $set_config;
			}
			update_option( self::OPTION_NAME, $config );
		}
		return $config;
	}

	public static function icon_set_prefix_exists( $prefix ) {
		$config = self::get_custom_icons_config();
		if ( empty( $config ) ) {
			return false;
		}
		foreach ( $config as $icon_set_name => $icon_config ) {
			if ( $prefix === $icon_config['prefix'] ) {
				return true;
			}
		}
		return false;
	}

	public function transition_post_status( $new_status, $old_status, $post ) {
		if ( Icons_Manager::CPT !== $post->post_type ) {
			return;
		}

		if ( 'publish' === $old_status && 'publish' !== $new_status ) {
			$this->clear_icon_list_option();
		}
	}

	protected function actions() {

		parent::actions();
		if ( is_admin() ) {
			add_action( 'add_meta_boxes_' . Icons_Manager::CPT, [ $this, 'add_meta_box' ] );
			add_action( 'save_post_' . Icons_Manager::CPT, [ $this, 'save_post_meta' ], 10, 3 );
			add_filter( 'display_post_states', [ $this, 'display_post_states' ], 10, 2 );
			add_action( 'manage_' . Icons_Manager::CPT . '_posts_custom_column', [ $this, 'render_columns' ], 10, 2 );
			add_filter( 'enter_title_here', [ $this, 'update_enter_title_here' ], 10, 2 );
			add_filter( 'manage_' . Icons_Manager::CPT . '_posts_columns', [ $this, 'manage_columns' ], 100 );
			add_action( 'current_screen', [ $this, 'add_custom_icon_templates' ] );
		}

		add_action( 'transition_post_status', [ $this, 'transition_post_status' ], 10, 3 );
		add_action( 'before_delete_post', [ $this, 'handle_delete_icon_set' ] );
		add_filter( 'elementor/icons_manager/additional_tabs', [ $this, 'register_icon_libraries_control' ] );
		add_filter( 'elementor/editor/localize_settings', [ $this, 'add_custom_icons_url' ] );

		// Ajax.
		add_action( 'elementor/ajax/register_actions', [ $this, 'register_ajax_actions' ] );
	}
}