Non-nullable field '_menuBar' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable field '_title' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Non-nullable property 'Data' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable field '_host' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Unreachable code detected

XML comment has a param tag for 'statusBar', but there is no parameter by that name

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

The annotation for nullable reference types should only be used in code within a '#nullable' annotations context.

Parameter 'output' is unread.