private static @Nullable AddAnnotationPsiFix createAddNullableNotNullFix(PsiModifierListOwner owner, String annotationToAdd,
                                                                           List<String> annotationsToRemove) {
    if (!isNullabilityAnnotationApplicable(owner)) return null;
    return new AddAnnotationPsiFix(annotationToAdd, owner, ArrayUtilRt.toStringArray(annotationsToRemove));
  }
private static @Nullable AddAnnotationPsiFix createAddNullableNotNullFix(PsiModifierListOwner owner, String annotationToAdd,
                                                                           List<String> annotationsToRemove)