(self)
| 449 | yield val[0], ", ".join(val[1:]) |
| 450 | |
| 451 | def items(self) -> HTTPHeaderDictItemView: # type: ignore[override] |
| 452 | return HTTPHeaderDictItemView(self) |
| 453 | |
| 454 | def _has_value_for_header(self, header_name: str, potential_value: str) -> bool: |
| 455 | if header_name in self: |