function devel_update_8001
Set the default devel dumper plugin.
File
- 
              ./
devel.install, line 30  
Code
function devel_update_8001() {
  $kint_enabled = \Drupal::moduleHandler()->moduleExists('kint');
  $default_dumper = $kint_enabled ? 'kint' : 'default';
  // Set the default dumper plugin to kint if kint module is available.
  \Drupal::configFactory()->getEditable('devel.settings')
    ->set('devel_dumper', $default_dumper)
    ->save(TRUE);
}