content: import django.db.models.deletion
  from django.db import migrations, models
  
  
  class Migration(migrations.Migration):
  
      dependencies = [
          ('contenttypes', '0002_remove_content_type_name'),
          ('ipam', '0078_iprange_mark_utilized'),
      ]
  
      operations = [
          migrations.AddField(
              model_name='service',
              name='parent_object_id',
              field=models.PositiveBigIntegerField(blank=True, null=True),
          ),
          migrations.AddField(
              model_name='service',
              name='parent_object_type',
              field=models.ForeignKey(
                  blank=True,
                  null=True,
                  on_delete=django.db.models.deletion.PROTECT,
                  related_name='+',
                  to='contenttypes.contenttype'
              ),
          ),
      ]
  