code: def get(self, index, feature=None, params=None):
          
          if index in SKIP_IN_PATH:
              raise ValueError("Empty value passed for a required argument 'index'.")
          return self.transport.perform_request(
              "GET", _make_path(index, feature), params=params
          )
docs: The get index API allows to retrieve information about one or more indexes.
          `<http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-get-index.html>`_
  
          :arg index: A comma-separated list of index names
          :arg allow_no_indices: Ignore if a wildcard expression resolves to no
              concrete indices (default: false)
          :arg expand_wildcards: Whether wildcard expressions should get expanded
              to open or closed indices (default: open), default 'open', valid
              choices are: 'open', 'closed', 'none', 'all'
          :arg flat_settings: Return settings in flat format (default: false)
          :arg ignore_unavailable: Ignore unavailable indexes (default: false)
          :arg include_defaults: Whether to return all default setting for each of
              the indices., default False
          :arg local: Return local information, do not retrieve the state from
              master node (default: false)
          :arg include_type_name: Specify whether requests and responses should include a
              type name (default: depends on Elasticsearch version).