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>`

def query_data_providers(self, query, scope_name=None, scope_value=None):
        """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>`
        """
        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)