2 REM ExpectedError: BC30730
3 REM ErrorMessage: Methods declared 'Overrides' cannot be declared 'Overridable' because they are implicitly overridable.
6 REM ExpectedError: BC40005
7 REM ErrorMessage: sub 'F1' shadows an overridable method in a base class. To override the base method, this method must be declared 'Overrides'.
10 Public Overridable Sub F1()
16 Public Overrides Overridable Sub F1()