public @Nullable NullabilityAnnotationInfo findExplicitNullability(PsiModifierListOwner owner) {
    NullabilityAnnotationInfo result = findPlainAnnotation(owner, false, true, getAllNullabilityAnnotationsWithNickNames());
    if (result != null) {
      return result;
    }
    return findContainerAnnotation(owner);
  }
public @Nullable NullabilityAnnotationInfo findExplicitNullability(PsiModifierListOwner owner)