ption( 'woocommerce_attribute_lookup_regeneration_aborted', 'yes' );
	}

	/**
	 * Remove the flag indicating that the last lookup table regeneration process started was aborted.
	 */
	public function unset_regeneration_aborted_flag() {
		delete_option( 'woocommerce_attribute_lookup_regeneration_aborted' );
	}

	/**
	 * Tells if the last lookup table regeneration process started was aborted
	 * (via deleting the 'woocommerce_attribute_lookup_regeneration_in_progress' option).
	 *
	 * @return bool True if the last lookup table regeneration process was aborted.
	 */
	public function regeneration_was_aborted(): bool {
		return get_option( 'woocommerce_attribute_lookup_regeneration_aborted' ) === 'yes';
	}

	/**
	 * Check if the lookup table contains any entry at all.
	 *
	 * @return bool True if the table contains entries, false if the table is empty.
	 */
	public function lookup_table_has_data(): bool {
		global $wpdb;

		// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
		return ( (int) $wpdb->get_var( "SELECT EXISTS (SELECT 1 FROM {$this->lookup_table_name})" ) ) !== 0;
	}

	/**
	 * Handler for 'woocommerce_get_sections_products', adds the "Advanced" section to the product settings.
	 *
	 * @param array $products Original array of settings sections.
	 * @return array New array of settings sections.
	 */
	private function add_advanced_section_to_product_settings( array $products ): array {
		if ( $this->check_lookup_table_exists() ) {
			$products['advanced'] = __( 'Advanced', 'woocommerce' );
		}

		return $products;
	}

	/**
	 * Handler for 'woocommerce_get_settings_products', adds the settings related to the product attributes lookup table.
	 *
	 * @param array  $settings Original settings configuration array.
	 * @param string $section_id Settings section identifier.
	 * @return array New settings configuration array.
	 */
	private function add_product_attributes_lookup_table_settings( array $settings, string $section_id ): array {
		if ( $section_id === 'advanced' && $this->check_lookup_table_exists() ) {
			$title_item = array(
				'title' => __( 'Product attributes lookup table', 'woocommerce' ),
				'type'  => 'title',
			);

			$regeneration_is_in_progress = $this->regeneration_is_in_progress();

			if ( $regeneration_is_in_progress ) {
				$title_item['desc'] = __( 'These settings are not available while the lookup table regeneration is in progress.', 'woocommerce' );
			}

			$settings[] = $title_item;

			if ( ! $regeneration_is_in_progress ) {
				$regeneration_aborted_warning =
					$this->regeneration_was_aborted() ?
						sprintf(
							"<p><strong style='color: #E00000'>%s</strong></p><p>%s</p>",
							__( 'WARNING: The product attributes lookup table regeneration process was aborted.', 'woocommerce' ),
							__( 'This means that the table is probably in an inconsistent state. It\'s recommended to run a new regeneration process or to resume the aborted process (Status - Tools - Regenerate the product attributes lookup table/Resume the product attributes lookup table regeneration) before enabling the table usage.', 'woocommerce' )
						) : null;

				$settings[] = array(
					'title'         => __( 'Enable table usage', 'woocommerce' ),
					'desc'          => __( 'Use the product attributes lookup table for catalog filtering.', 'woocommerce' ),
					'desc_tip'      => $regeneration_aborted_warning,
					'id'            => 'woocommerce_attribute_lookup_enabled',
					'default'       => 'no',
					'type'          => 'checkbox',
					'checkboxgroup' => 'start',
				);

				$settings[] = array(
					'title'         => __( 'Direct updates', 'woocommerce' ),
					'desc'          => __( 'Update the table directly upon product changes, instead of scheduling a deferred update.', 'woocommerce' ),
					'id'            => 'woocommerce_attribute_lookup_direct_updates',
					'default'       => 'no',
					'type'          => 'checkbox',
					'checkboxgroup' => 'start',
				);
			}

			$settings[] = array( 'type' => 'sectionend' );
		}

		return $settings;
	}
}
te a Google API key to use this feature.
                // Please visit: https://developers.google.com/fonts/docs/developer_api#Auth
                'google_api_key'       => '',
                // Set it you want google fonts to update weekly. A google_api_key value is required.
                'google_update_weekly' => false,
                // Must be defined to add google fonts to the typography module
                'async_typography'     => true,
                // Use a asynchronous font on the front end or font string
                //'disable_google_fonts_link' => true,                    // Disable this in case you want to create your own google fonts loader
                'admin_bar'            => false,
                // Show the panel pages on the admin bar
                'admin_bar_icon'     => 'dashicons-portfolio',
                // Choose an icon for the admin bar menu
                'admin_bar_priority' => 50,
                // Choose an priority for the admin bar menu
                'global_variable'      => '',
                // Set a different name for your global variable other than the opt_name
                'dev_mode'             => false,
                // Show the time the page took to load, etc
                'update_notice'        => true,
                // If dev_mode is enabled, will notify developer of updated versions available in the GitHub Repo
                'customizer'           => false,
                // Enable basic customizer support
                //'open_expanded'     => true,                    // Allow you to start the panel in an expanded way initially.
                //'disable_save_warn' => true,                    // Disable the save warning when a user changes a field

                // OPTIONAL -> Give you extra features
                'page_priority'        => null,
                // Order where the menu appears in the admin area. If there is any conflict, something will not show. Warning.
                'page_parent'          => 'wpml_plugin_log',
                // For a full list of options, visit: http://codex.wordpress.org/Function_Reference/add_submenu_page#Parameters
                'page_permissions'     => 'manage_options',
                // Permissions needed to access the options panel.
                'menu_icon'            => '',
                // Specify a custom URL to an icon
                'last_tab'             => '',
                // Force your panel to always open to a specific tab (by id)
                'page_icon'            => 'icon-themes',
                // Icon displayed in the admin panel next to your menu_title
                'page_slug'            => 'wpml_plugin_settings',
                // Page slug used to denote the panel
                'save_defaults'        => true,
                // On load save the defaults to DB before user clicks save or not
                'default_show'         => false,
                // If true, shows the default value next to each field that is not the default value.
                'default_mark'         => '*',
                // What to print by the field's title if the value shown is default. Suggested: *
                'show_import_export'   => true,
                // Shows the Import/Export panel when not used as a field.

                // CAREFUL -> These options are for advanced use only
                'transient_time'       => 60 * MINUTE_IN_SECONDS,
                'output'               => true,
                // Global shut-off for dynamic CSS output by the framework. Will also disable google fonts output
                'output_tag'           => true,
                // Allows dynamic CSS to be generated for customizer and google fonts, but stops the dynamic CSS from going to the head
                // 'footer_credit'     => '',                   // Disable the footer credit of Redux. Please leave if you can help it.

                // FUTURE -> Not in use yet, but reserved or partially implemented. Use at your own risk.
                'database'             => '',
                // possible: options, theme_mods, theme_mods_expanded, transient. Not fully functional, warning!
                'system_info'          => false,
                // REMOVE

                // HINTS
                'hints'                => array(
                    'icon'          => 'el el-question-sign',
                    'icon_position' => 'right',
                    'icon_color'    => 'lightgray',
                    'icon_size'     => 'normal',
                    'tip_style'     => array(
                        'color'   => 'light',
                        'shadow'  => true,
                        'rounded' => false,
                        'style'   => 'bootstrap',
                    ),
                    'tip_position'  => array(
                        'my' => 'top left',
                        'at' => 'bottom right',
                    ),
                    'tip_effect'    => array(
                        'show' => array(
                            'effect'   => 'slide',
                            'duration' => '500',
                            'event'    => 'mouseover',
                        ),
                        'hide' => array(
                            'effect'   => 'slide',
                            'duration' => '500',
                            'event'    => 'click mouseleave',
                        ),
                    ),
                )
            );

            // SOCIAL ICONS -> Setup custom links in the footer for quick links in your panel footer icons.
            $this->args['share_icons'][] = array(
                'url'   => 'https://github.com/awesomemotive/wp-mail-logging/',
                'title' => 'Visit us on GitHub',
                'icon'  => 'el-icon-github'
                //'img'   => '', // You can use icon OR img. IMG needs to be a full URL.
            );
            $this->args['share_icons'][] = array(
                'url'   => $this->plugin_meta['wp_uri'],
                'title' => 'Visit us on WordPress',
                'icon'  => 'el-icon-wordpress'
            );

            // Add content before the form.
            // $this->args['intro_text'] = __( '<p>This text is displayed above the options panel. It isn\'t required, but more info is always better! The intro_text field accepts all HTML.</p>', 'redux-framework-demo' );

            // Add content after the form.
            // $this->args['footer_text'] = __( '<p>This text is displayed below the options panel. It isn\'t required, but more info is always better! The footer_text field accepts all HTML.</p>', 'redux-framework-demo' );
        }
    }

    global $reduxConfig;
} else {
    echo "The class named Redux_Framework_sample_config has already been called. <strong>Developers, you need to prefix this class with your company name or you'll run into problems!</strong>";
}