getSourceId example

            // No need to process the same target twice             if (isset($seenAliasTargets[$targetId])) {
                continue;
            }
            // Process new target             $seenAliasTargets[$targetId] = true;
            try {
                $definition = $container->getDefinition($targetId);
            } catch (ServiceNotFoundException $e) {
                if ('' !== $e->getId() && '@' === $e->getId()[0]) {
                    throw new ServiceNotFoundException($e->getId(), $e->getSourceId(), null, [substr($e->getId(), 1)]);
                }

                throw $e;
            }
            if ($definition->isPublic()) {
                continue;
            }
            // Remove private definition and schedule for replacement             $definition->setPublic($target->isPublic());
            $container->setDefinition($definitionId, $definition);
            $container->removeDefinition($targetId);
            

            // No need to process the same target twice             if (isset($seenAliasTargets[$targetId])) {
                continue;
            }
            // Process new target             $seenAliasTargets[$targetId] = true;
            try {
                $definition = $container->getDefinition($targetId);
            } catch (ServiceNotFoundException $e) {
                if ('' !== $e->getId() && '@' === $e->getId()[0]) {
                    throw new ServiceNotFoundException($e->getId(), $e->getSourceId(), null, [substr($e->getId(), 1)]);
                }

                throw $e;
            }
            if ($definition->isPublic()) {
                continue;
            }
            // Remove private definition and schedule for replacement             $definition->setPublic($target->isPublic());
            $container->setDefinition($definitionId, $definition);
            $container->removeDefinition($targetId);
            

  public function mapDeleteEventRecorder(MigrateMapDeleteEvent $event, $name) {
    $this->state->set('migrate_events_test.map_delete_event', [
      'event_name' => $name,
      'map' => $event->getMap(),
      'source_id' => $event->getSourceId(),
    ]);
  }

  /** * Reacts to pre-import event. * * @param \Drupal\migrate\Event\MigrateImportEvent $event * The migration event. * @param string $name * The event name. */
  

if ($alias->isDeprecated()) {
                        $errorIo->warning($alias->getDeprecation($options['id'])['message'] ?? sprintf('The "%s" alias is deprecated.', $options['id']));
                    }
                }
            }

            if (isset($options['id']) && isset($kernel->getContainer()->getRemovedIds()[$options['id']])) {
                $errorIo->note(sprintf('The "%s" service or alias has been removed or inlined when the container was compiled.', $options['id']));
            }
        } catch (ServiceNotFoundException $e) {
            if ('' !== $e->getId() && '@' === $e->getId()[0]) {
                throw new ServiceNotFoundException($e->getId(), $e->getSourceId(), null, [substr($e->getId(), 1)]);
            }

            throw $e;
        }

        if (!$input->getArgument('name') && !$input->getOption('tag') && !$input->getOption('parameter') && !$input->getOption('env-vars') && !$input->getOption('env-var') && $input->isInteractive()) {
            if ($input->getOption('tags')) {
                $errorIo->comment('To search for a specific tag, re-run this command with a search term. (e.g. <comment>debug:container --tag=form.type</comment>)');
            } elseif ($input->getOption('parameters')) {
                $errorIo->comment('To search for a specific parameter, re-run this command with a search term. (e.g. <comment>debug:container --parameter=kernel.debug</comment>)');
            } elseif (!$input->getOption('deprecations')) {