docs: def language_list(
          maintenance_db,
          user=None,
          host=None,
          port=None,
          password=None,
          runas=None):
      '''
      .. versionadded:: 2016.3.0
  
      Return a list of languages in a database.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' postgres.language_list dbname
  
      maintenance_db
          The database to check
  
      user
          database username if different from config or default
  
      password
          user password if any password for a specified user
  
      host
          Database host if different from config or default
  
      port
          Database port if different from config or default
  
      runas
          System user all operations should be performed on behalf of
      '''
  
      ret = {}
      query = 'SELECT lanname AS "Name" FROM pg_language'
  
      rows = psql_query(
          query,
          runas=runas,
          host=host,
          user=user,
          port=port,
          maintenance_db=maintenance_db,
          password=password)
  
      for row in rows:
          ret[row['Name']] = row['Name']
  
      return ret