LayoutBuilderThemeSuggestionsTestHooks.php

<?php

declare (strict_types=1);
namespace Drupal\layout_builder_theme_suggestions_test\Hook;

use Drupal\Core\Hook\Attribute\Hook;

/**
 * Hook implementations for layout_builder_theme_suggestions_test.
 */
class LayoutBuilderThemeSuggestionsTestHooks {
    
    /**
     * Implements hook_theme().
     */
    public function theme() : array {
        // It is necessary to explicitly register the template via hook_theme()
        // because it is added via a module, not a theme.
        return [
            'field__node__body__bundle_with_section_field__default' => [
                'base hook' => 'field',
            ],
        ];
    }

}