- Rename list_globalnetworkpolicies() to get_globalnetworkpolicies() for consistency - Fix constructor parameter type from str to List[str] to match SSH output - Add Optional[str] type annotation for age attribute - Update get_age() return type to Optional[str] - Update docstrings to align with types Change-Id: Ied62a53d5d33a06bca1af4318b3c4c0082a0a604 Signed-off-by: Andrew Vaillancourt <andrew.vaillancourt@windriver.com>