docs: def dict_from_locals(self, name, params: List[Parameter], not_specified_literal=Constants.VALUE_NOT_SET):
          """
          Generate code for a dictionary of locals whose value is not the specified literal.
          """
          code = self.block(f"{name} = {{}}")
          for p in params:
              code.add(
                  self.block(f"if {p.name} is not {not_specified_literal}:").of(
                      f"{name}[{p.name!r}] = {p.name}"
                  ),
              )
          return code