@Nullable
  default List<AnAction> getVcsActions(@Nullable Project project,
                                       @NotNull AbstractVcs activeVcs,
                                       @Nullable DataContext dataContext) { return null; }
@Nullable
  default List<AnAction> getVcsActions(@Nullable Project project,
                                       @NotNull AbstractVcs activeVcs,
                                       @Nullable DataContext dataContext)