@Nullable
  static PsiAnnotation getListAnnotation(@NotNull PsiModifierListOwner modifierListOwner, @NotNull String fqn) {
    PsiModifierList list = modifierListOwner.getModifierList();
    return list == null ? null : list.findAnnotation(fqn);
  }
@Nullable
  static PsiAnnotation getListAnnotation(@NotNull PsiModifierListOwner modifierListOwner, @NotNull String fqn)