'description'       => __( 'Limit result set to products assigned a specific category ID.', 'woocommerce' ),
			'type'              => 'string',
			'sanitize_callback' => 'wp_parse_id_list',
			'validate_callback' => 'rest_validate_request_arg',
		);

		$params['category_operator'] = array(
			'description'       => __( 'Operator to compare product category terms.', 'woocommerce' ),
			'type'              => 'string',
			'enum'              => [ 'in', 'not in', 'and' ],
			'default'           => 'in',
			'sanitize_callback' => 'sanitize_key',
			'validate_callback' => 'rest_validate_request_arg',
		);

		$params['tag'] = array(
			'description'       => __( 'Limit result set to products assigned a specific tag ID.', 'woocommerce' ),
			'type'              => 'string',
			'sanitize_callback' => 'wp_parse_id_list',
			'validate_callback' => 'rest_validate_request_arg',
		);

		$params['tag_operator'] = array(
			'description'       => __( 'Operator to compare product tags.', 'woocommerce' ),
			'type'              => 'string',
			'enum'              => [ 'in', 'not in', 'and' ],
			'default'           => 'in',
			'sanitize_callback' => 'sanitize_key',
			'validate_callback' => 'rest_validate_request_arg',
		);

		$params['on_sale'] = array(
			'description'       => __( 'Limit result set to products on sale.', 'woocommerce' ),
			'type'              => 'boolean',
			'sanitize_callback' => 'wc_string_to_bool',
			'validate_callback' => 'rest_validate_request_arg',
		);

		$params['min_price'] = array(
			'description'       => __( 'Limit result set to products based on a minimum price, provided using the smallest unit of the currency.', 'woocommerce' ),
			'type'              => 'string',
			'sanitize_callback' => 'sanitize_text_field',
			'validate_callback' => 'rest_validate_request_arg',
		);

		$params['max_price'] = array(
			'description'       => __( 'Limit result set to products based on a maximum price, provided using the smallest unit of the currency.', 'woocommerce' ),
			'type'              => 'string',
			'sanitize_callback' => 'sanitize_text_field',
			'validate_callback' => 'rest_validate_request_arg',
		);

		$params['stock_status'] = array(
			'description' => __( 'Limit result set to products with specified stock status.', 'woocommerce' ),
			'type'        => 'array',
			'items'       => array(
				'type'              => 'string',
				'enum'              => array_keys( wc_get_product_stock_status_options() ),
				'sanitize_callback' => 'sanitize_text_field',
				'validate_callback' => 'rest_validate_request_arg',
			),
			'default'     => [],
		);

		$params['attributes'] = array(
			'description' => __( 'Limit result set to products with selected global attributes.', 'woocommerce' ),
			'type'        => 'array',
			'items'       => array(
				'type'       => 'object',
				'properties' => array(
					'attribute' => array(
						'description'       => __( 'Attribute taxonomy name.', 'woocommerce' ),
						'type'              => 'string',
						'sanitize_callback' => 'wc_sanitize_taxonomy_name',
					),
					'term_id'   => array(
						'description'       => __( 'List of attribute term IDs.', 'woocommerce' ),
						'type'              => 'array',
						'items'             => [
							'type' => 'integer',
						],
						'sanitize_callback' => 'wp_parse_id_list',
					),
					'slug'      => array(
						'description'       => __( 'List of attribute slug(s). If a term ID is provided, this will be ignored.', 'woocommerce' ),
						'type'              => 'array',
						'items'             => [
							'type' => 'string',
						],
						'sanitize_callback' => 'wp_parse_slug_list',
					),
					'operator'  => array(
						'description' => __( 'Operator to compare product attribute terms.', 'woocommerce' ),
						'type'        => 'string',
						'enum'        => [ 'in', 'not in', 'and' ],
					),
				),
			),
			'default'     => [],
		);

		$params['attribute_relation'] = array(
			'description'       => __( 'The logical relationship between attributes when filtering across multiple at once.', 'woocommerce' ),
			'type'              => 'string',
			'enum'              => [ 'in', 'and' ],
			'default'           => 'and',
			'sanitize_callback' => 'sanitize_key',
			'validate_callback' => 'rest_validate_request_arg',
		);

		$params['catalog_visibility'] = array(
			'description'       => __( 'Determines if hidden or visible catalog products are shown.', 'woocommerce' ),
			'type'              => 'string',
			'enum'              => array( 'any', 'visible', 'catalog', 'search', 'hidden' ),
			'sanitize_callback' => 'sanitize_key',
			'validate_callback' => 'rest_validate_request_arg',
		);

		$params['rating'] = array(
			'description'       => __( 'Limit result set to products with a certain average rating.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
				'enum' => range( 1, 5 ),
			),
			'default'           => [],
			'sanitize_callback' => 'wp_parse_id_list',
		);

		return $params;
	}
}