@property
def extra_state_attributes(self) -> (Mapping[(str, Any)] | None):
    'Return entity specific state attributes.\n\n        Implemented by platform classes. Convention for attribute names\n        is lowercase snake_case.\n        '
    if hasattr(self, '_attr_extra_state_attributes'):
        return self._attr_extra_state_attributes
    return None
Return entity specific state attributes.

Implemented by platform classes. Convention for attribute names
is lowercase snake_case.
@property
def extra_state_attributes(self) -> (Mapping[(str, Any)] | None):
    'Return entity specific state attributes.\n\n        Implemented by platform classes. Convention for attribute names\n        is lowercase snake_case.\n        '
    if hasattr(self, '_attr_extra_state_attributes'):
        return self._attr_extra_state_attributes
    return None