public Long getUnknown() {
        return this.unknown;
    }
<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>

@return 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.
aws-java-sdk-macie2/src/main/java/com/amazonaws/services/macie2/model/BucketCountByEffectivePermission.java