public BucketCountByEffectivePermission withUnknown(Long unknown) {
        setUnknown(unknown);
        return this;
    }
<p>
The total number of buckets that Amazon Macie wasn't able to evaluate permissions settings for. Macie can't
determine whether these buckets are publicly accessible.
</p>

@param unknown
       The total number of buckets that Amazon Macie wasn't able to evaluate permissions settings for. Macie
       can't determine whether these buckets are publicly accessible.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-macie2/src/main/java/com/amazonaws/services/macie2/model/BucketCountByEffectivePermission.java