public function get_item_downloads( $item ) {
		wc_deprecated_function( 'WC_Order::get_item_downloads', '3.0', 'WC_Order_Item_Product::get_item_downloads' );

		if ( ! $item instanceof WC_Order_Item ) {
			if ( ! empty( $item['variation_id'] ) ) {
				$product_id = $item['variation_id'];
			} elseif ( ! empty( $item['product_id'] ) ) {
				$product_id = $item['product_id'];
			} else {
				return array();
			}

			// Create a 'virtual' order item to allow retrieving item downloads when
			// an array of product_id is passed instead of actual order item.
			$item = new WC_Order_Item_Product();
			$item->set_product( wc_get_product( $product_id ) );
			$item->set_order_id( $this->get_id() );
		}

		return $item->get_item_downloads();
	}