themes-wordpress/stewart/inc/patterns/header-traditional.php

<?php
/**
 * Traditional header block pattern
 */
return array(
	'title'      => __( 'Traditional header', 'stewart' ),
	'categories' => array( 'header' ),
	'blockTypes' => array( 'core/template-part/header' ),
	'content'    => '<!-- wp:group {"align":"full","layout":{"inherit":true}} -->
					<div class="wp-block-group alignfull"><!-- wp:group {"align":"wide","style":{"spacing":{"padding":{"top":"var(--wp--custom--margin--horizontal, 30px)","bottom":"40px"}}},"layout":{"type":"flex","justifyContent":"space-between"}} -->
					<div class="wp-block-group alignwide" style="padding-top:var(--wp--custom--margin--horizontal, 30px);padding-bottom:40px"><!-- wp:group {"layout":{"type":"flex"}} -->
					<div class="wp-block-group"><!-- wp:site-logo {"width":64} /-->

					<!-- wp:site-title /--></div>
					<!-- /wp:group -->

					<!-- wp:navigation {"__unstableLocation":"primary","layout":{"type":"flex","orientation":"horizontal"}} /--></div>
					<!-- /wp:group --></div>
					<!-- /wp:group -->',
);