public void copyNotNullAnnotation(@NotNull PsiModifierListOwner original, @NotNull PsiModifierListOwner generated) {
    NullabilityAnnotationInfo info = findOwnNullabilityInfo(original);
    if (info == null || info.getNullability() != Nullability.NOT_NULL) return;
    copyAnnotation(info.getAnnotation(), generated);
  }
public void copyNotNullAnnotation(@NotNull PsiModifierListOwner original, @NotNull PsiModifierListOwner generated)