FieldDefaultValueCallbackProvider.php

<?php

namespace Drupal\field_test;


/**
 * Helper class for \Drupal\Tests\field\Functional\FieldDefaultValueCallbackTest.
 */
class FieldDefaultValueCallbackProvider {
    
    /**
     * Helper callback calculating a default value.
     */
    public static function calculateDefaultValue() {
        return [
            [
                'value' => 'Calculated default value',
            ],
        ];
    }

}