--- /dev/null
+<?php
+
+namespace Drupal\drupalmoduleupgrader\Plugin\DMU\Converter;
+
+use Drupal\drupalmoduleupgrader\ConverterBase;
+use Drupal\drupalmoduleupgrader\TargetInterface;
+
+/**
+ * @Converter(
+ * id = "hook_watchdog",
+ * description = @Translation("Converts hook_watchdog() to an implementation of \\Psr\\Log\\LoggerInterface."),
+ * hook = "hook_watchdog"
+ * )
+ */
+class HookWatchdog extends ConverterBase {
+
+ /**
+ * {@inheritdoc}
+ */
+ public function convert(TargetInterface $target) {
+ $this->writeService($target, 'default_logger', [
+ 'class' => 'Drupal\\' . $target->id() . '\\Logger\\DefaultLogger',
+ 'tags' => [
+ [ 'name' => 'logger' ],
+ ],
+ ]);
+
+ $render = [
+ '#theme' => 'dmu_logger',
+ '#module' => $target->id(),
+ ];
+ $this->writeClass($target, $this->parse($render));
+ }
+
+}