code: def list(cls, params=None, custom_headers=None):
          
  
          if params is None:
              params = {}
  
          if custom_headers is None:
              custom_headers = {}
  
          api_client = client.ApiClient(cls._get_api_context())
          endpoint_url = cls._ENDPOINT_URL_LISTING
          response_raw = api_client.get(endpoint_url, params, custom_headers)
  
          return BunqResponseUserList.cast_from_bunq_response(
              cls._from_json_list(response_raw)
          )
docs: Get a collection of all available users.
  
          :type params: dict[str, str]|None
          :type custom_headers: dict[str, str]|None
  
          :rtype: BunqResponseUserList