def __contains__(self, key: str) -> bool:
return key in self.config
+ def get(self, key: str, default: Any = None) -> Optional[Any]:
+ return self.config.get(key, default)
+
@staticmethod
def add_commandline_args(title: str, description: str = "") -> argparse._ArgumentGroup:
"""Create a new context for arguments and return a handle.