1093     def get_content(self, *args, content_manager=None, **kw):  argument
1096         return content_manager.get_content(self, *args, **kw)
1098     def set_content(self, *args, content_manager=None, **kw):  argument
1101         content_manager.set_content(self, *args, **kw)
1139     def _add_multipart(self, _subtype, *args, _disp=None, **kw):  argument
1144         part.set_content(*args, **kw)
1149     def add_related(self, *args, **kw):  argument
1150         self._add_multipart('related', *args, _disp='inline', **kw)
1152     def add_alternative(self, *args, **kw):  argument
1153         self._add_multipart('alternative', *args, **kw)
1155     def add_attachment(self, *args, **kw):  argument
1156         self._add_multipart('mixed', *args, _disp='attachment', **kw)
1170     def set_content(self, *args, **kw):  argument
1171         super().set_content(*args, **kw)