DumperTrait.php

<?php

namespace Drupal\file_example\Traits;


/**
 * Provides a trait for dumper service.
 */
trait DumperTrait {
    
    /**
     * Gets the dumper service.
     *
     * @return \Drupal\devel\DevelDumperManagerInterface|bool
     *   The dumper service or FALSE if the service is not available.
     */
    protected function dumper() {
        if (\Drupal::hasService('devel.dumper')) {
            
            /** @var \Drupal\devel\DevelDumperManagerInterface $dumper */
            $dumper = \Drupal::service('devel.dumper');
            return $dumper;
        }
        return FALSE;
    }

}