in src/dubbo/remoting/aio/http2/headers.py [0:0]
def to_dict(self) -> OrderedDict[str, str]:
"""
Convert the headers to an ordered dict.
:return: The headers' dict.
:rtype: OrderedDict[str, Optional[str]]
"""
headers_dict = OrderedDict()
for key, value in self._headers.items():
if value is not None and value != "":
headers_dict[key] = value
return headers_dict