<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def serialize_to_transport(self, doc_format="xml", *args, **kwargs):
 """Serialize ResourceMap to UTF-8 encoded XML document. Args: doc_format: str One of: ``xml``, ``n3``, ``turtle``, ``nt``, ``pretty-xml``, ``trix``, ``trig`` and ``nquads``. args and kwargs: Optional arguments forwarded to rdflib.ConjunctiveGraph.serialize(). Returns: bytes: UTF-8 encoded XML doc. Note: Only the default, "xml", is automatically indexed by DataONE. """

        return super(ResourceMap, self).serialize(
            format=doc_format, encoding="utf-8", *args, **kwargs
        )