2 REM ExpectedError: BC30610
3 REM ErrorMessage: Class 'C3' must either be declared 'MustInherit' or override the following inherited 'MustOverride' member(s): Public MustOverride Function F1() As Integer.
6 REM ExpectedError: BC31404
7 REM ErrorMessage: 'Public Function F1() As Integer' cannot shadow a method declared 'MustOverride'.
10 Public MustOverride
Function F1() As Integer
13 'Omitting keyword 'overrides' in a class that inherits the mustinherit class
16 Public Function F1() As Integer