code: def query_data_providers(self, query, scope_name=None, scope_value=None):
          
          route_values = {}
          if scope_name is not None:
              route_values['scopeName'] = self._serialize.url('scope_name', scope_name, 'str')
          if scope_value is not None:
              route_values['scopeValue'] = self._serialize.url('scope_value', scope_value, 'str')
          content = self._serialize.body(query, 'DataProviderQuery')
          response = self._send(http_method='POST',
                                location_id='738368db-35ee-4b85-9f94-77ed34af2b0d',
                                version='5.0-preview.1',
                                route_values=route_values,
                                content=content)
          return self._deserialize('DataProviderResult', response)
docs: QueryDataProviders.
          [Preview API]
          :param :class:`<DataProviderQuery> <azure.devops.v5_0.contributions.models.DataProviderQuery>` query:
          :param str scope_name:
          :param str scope_value:
          :rtype: :class:`<DataProviderResult> <azure.devops.v5_0.contributions.models.DataProviderResult>`