code: def get_default_config(self):
          
          config = super(MongoDBCollector, self).get_default_config()
          config.update({
              'path': 'mongo',
              'hosts': ['localhost'],
              'user': None,
              'passwd': None,
              'databases': '.*',
              'ignore_collections': '^tmp\.mr\.',
              'network_timeout': None,
              'simple': 'False',
              'translate_collections': 'False',
              'collection_sample_rate': 1,
              'ssl': False,
              'replica': False,
              'replset_node_name': '_id'
          })
          return config
docs: Returns the default collector settings