ype'    => 'select',
			'attribute_orderby' => 'menu_order',
			'attribute_public'  => 0,
		);

		if ( $attribute_id ) {
			$default_attribute = $attributes[ $attribute_id ];
			set_transient( 'wc_block_product_filter_attribute_default_attribute', $default_attribute, DAY_IN_SECONDS );
		}

		return $default_attribute;
	}

	/**
	 * Register pattern for default product attribute.
	 */
	public function register_block_patterns() {
		$default_attribute = $this->get_default_product_attribute();
		register_block_pattern(
			'woocommerce/default-attribute-filter',
			array(
				'title'    => '',
				'inserter' => false,
				'content'  => strtr(
					'
<!-- wp:woocommerce/product-filter-attribute {"attributeId":{{attribute_id}}} -->
<div class="wp-block-woocommerce-product-filter-attribute">
	<!-- wp:group {"metadata":{"name":"Header"},"style":{"spacing":{"blockGap":"0"}},"layout":{"type":"flex","flexWrap":"nowrap"}} -->
	<div class="wp-block-group">
		<!-- wp:heading {"level":3} -->
		<h3 class="wp-block-heading">{{attribute_label}}</h3>
		<!-- /wp:heading -->
	<!-- /wp:group -->

	<!-- wp:woocommerce/product-filter-checkbox-list {"lock":{"remove":true}} -->
	<div class="wp-block-woocommerce-product-filter-checkbox-list wc-block-product-filter-checkbox-list"></div>
	<!-- /wp:woocommerce/product-filter-checkbox-list -->

</div>
<!-- /wp:woocommerce/product-filter-attribute -->
					',
					array(
						'{{attribute_id}}'    => intval( $default_attribute->attribute_id ),
						'{{attribute_label}}' => esc_html( $default_attribute->attribute_label ),
					)
				),
			)
		);
	}

	/**
	 * Disable the editor style handle for this block type.
	 *
	 * @return null
	 */
	protected function get_block_type_editor_style() {
		return null;
	}

	/**
	 * Disable the script handle for this block type. We use block.json to load the script.
	 *
	 * @param string|null $key The key of the script to get.
	 * @return null
	 */
	protected function get_block_type_script( $key = null ) {
		return null;
	}
}