public function save_meta_boxes( $post_id, $post ) {
		$post_id = absint( $post_id );

		// $post_id and $post are required
		if ( empty( $post_id ) || empty( $post ) || self::$saved_meta_boxes ) {
			return;
		}

		// Dont' save meta boxes for revisions or autosaves.
		if ( Constants::is_true( 'DOING_AUTOSAVE' ) || is_int( wp_is_post_revision( $post ) ) || is_int( wp_is_post_autosave( $post ) ) ) {
			return;
		}

		// Check the nonce.
		if ( empty( $_POST['woocommerce_meta_nonce'] ) || ! wp_verify_nonce( wp_unslash( $_POST['woocommerce_meta_nonce'] ), 'woocommerce_save_data' ) ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized
			return;
		}

		// Check the post being saved == the $post_id to prevent triggering this call for other save_post events.
		if ( empty( $_POST['post_ID'] ) || absint( $_POST['post_ID'] ) !== $post_id ) {
			return;
		}

		// Check user has permission to edit.
		if ( ! current_user_can( 'edit_post', $post_id ) ) {
			return;
		}

		// We need this save event to run once to avoid potential endless loops. This would have been perfect:
		// remove_action( current_filter(), __METHOD__ );
		// But cannot be used due to https://github.com/woocommerce/woocommerce/issues/6485
		// When that is patched in core we can use the above.
		self::$saved_meta_boxes = true;

		// Check the post type.
		if ( in_array( $post->post_type, wc_get_order_types( 'order-meta-boxes' ), true ) ) {
			do_action( 'woocommerce_process_shop_order_meta', $post_id, $post );
		} elseif ( in_array( $post->post_type, array( 'product', 'shop_coupon' ), true ) ) {
			do_action( 'woocommerce_process_' . $post->post_type . '_meta', $post_id, $post );
		}
	}