public static function untrash_post( $id ) {
		if ( ! $id ) {
			return;
		}

		$post_type = get_post_type( $id );

		if ( in_array( $post_type, wc_get_order_types( 'order-count' ), true ) ) {
			global $wpdb;

			$refunds = $wpdb->get_results( $wpdb->prepare( "SELECT ID FROM $wpdb->posts WHERE post_type = 'shop_order_refund' AND post_parent = %d", $id ) );

			foreach ( $refunds as $refund ) {
				$wpdb->update( $wpdb->posts, array( 'post_status' => 'wc-completed' ), array( 'ID' => $refund->ID ) );
			}

			wc_delete_shop_order_transients( $id );

		} elseif ( 'product' === $post_type ) {
			$data_store = WC_Data_Store::load( 'product-variable' );
			$data_store->untrash_variations( $id );

			wc_product_force_unique_sku( $id );
		}
	}