Retrieve mapping definition of a specific field.

        Any additional keyword arguments will be passed to
        ``Elasticsearch.indices.get_field_mapping`` unchanged.

def get_field_mapping(self, using=None, **kwargs):
        """
        Retrieve mapping definition of a specific field.

        Any additional keyword arguments will be passed to
        ``Elasticsearch.indices.get_field_mapping`` unchanged.
        """
        return self._get_connection(using).indices.get_field_mapping(index=self._name, **kwargs)