atus'   => array(
					'description' => __( 'Stock status.', 'woocommerce' ),
					'type'        => 'string',
					'enum'        => array_keys( wc_get_product_stock_status_options() ),
					'context'     => array( 'view', 'edit' ),
					'readonly'    => true,
				),
				'stock_quantity' => array(
					'description' => __( 'Stock quantity.', 'woocommerce' ),
					'type'        => 'integer',
					'context'     => array( 'view', 'edit' ),
					'readonly'    => true,
				),
				'manage_stock'   => array(
					'description' => __( 'Manage stock.', 'woocommerce' ),
					'type'        => 'boolean',
					'context'     => array( 'view', 'edit' ),
					'readonly'    => true,
				),
			),
		);

		return $this->add_additional_fields_schema( $schema );
	}

	/**
	 * Get the query params for collections.
	 *
	 * @return array
	 */
	public function get_collection_params() {
		$params = parent::get_collection_params();
		unset( $params['after'], $params['before'], $params['force_cache_refresh'] );
		$params['exclude']            = array(
			'description'       => __( 'Ensure result set excludes specific IDs.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'sanitize_callback' => 'wp_parse_id_list',
		);
		$params['include']            = array(
			'description'       => __( 'Limit result set to specific ids.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'default'           => array(),
			'sanitize_callback' => 'wp_parse_id_list',
		);
		$params['offset']             = array(
			'description'       => __( 'Offset the result set by a specific number of items.', 'woocommerce' ),
			'type'              => 'integer',
			'sanitize_callback' => 'absint',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['order']['default']   = 'asc';
		$params['orderby']['default'] = 'stock_status';
		$params['orderby']['enum']    = $this->apply_custom_orderby_filters(
			array(
				'stock_status',
				'stock_quantity',
				'date',
				'id',
				'include',
				'title',
				'sku',
			)
		);
		$params['parent']             = array(
			'description'       => __( 'Limit result set to those of particular parent IDs.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'sanitize_callback' => 'wp_parse_id_list',
			'default'           => array(),
		);
		$params['parent_exclude']     = array(
			'description'       => __( 'Limit result set to all items except those of a particular parent ID.', 'woocommerce' ),
			'type'              => 'array',
			'items'             => array(
				'type' => 'integer',
			),
			'sanitize_callback' => 'wp_parse_id_list',
			'default'           => array(),
		);
		$params['type']               = array(
			'description' => __( 'Limit result set to items assigned a stock report type.', 'woocommerce' ),
			'type'        => 'string',
			'default'     => 'all',
			'enum'        => array_merge( array( 'all', 'lowstock' ), array_keys( wc_get_product_stock_status_options() ) ),
		);

		return $params;
	}

	/**
	 * Get the column names for export.
	 *
	 * @return array Key value pair of Column ID => Label.
	 */
	public function get_export_columns() {
		$export_columns = array(
			'title'          => __( 'Product / Variation', 'woocommerce' ),
			'sku'            => __( 'SKU', 'woocommerce' ),
			'stock_status'   => __( 'Status', 'woocommerce' ),
			'stock_quantity' => __( 'Stock', 'woocommerce' ),
		);

		/**
		 * Filter to add or remove column names from the stock report for
		 * export.
		 *
		 * @since 1.6.0
		 */
		return apply_filters(
			'woocommerce_report_stock_export_columns',
			$export_columns
		);
	}

	/**
	 * Get the column values for export.
	 *
	 * @param array $item Single report item/row.
	 * @return array Key value pair of Column ID => Row Value.
	 */
	public function prepare_item_for_export( $item ) {
		$status = $item['stock_status'];
		if ( array_key_exists( $item['stock_status'], $this->status_options ) ) {
			$status = $this->status_options[ $item['stock_status'] ];
		}

		$export_item = array(
			'title'          => $item['name'],
			'sku'            => $item['sku'],
			'stock_status'   => $status,
			'stock_quantity' => $item['stock_quantity'],
		);

		/**
		 * Filter to prepare extra columns in the export item for the stock
		 * report.
		 *
		 * @since 1.6.0
		 */
		return apply_filters(
			'woocommerce_report_stock_prepare_export_item',
			$export_item,
			$item
		);
	}
}