public java.util.List<HierarchicalPrincipal> getHierarchicalAccessControlList() {
        return hierarchicalAccessControlList;
    }
<p>
The list of <a href="https://docs.aws.amazon.com/kendra/latest/dg/API_Principal.html">principal</a> lists that
define the hierarchy for which documents users should have access to.
</p>

@return The list of <a href="https://docs.aws.amazon.com/kendra/latest/dg/API_Principal.html">principal</a> lists
        that define the hierarchy for which documents users should have access to.
aws-java-sdk-kendra/src/main/java/com/amazonaws/services/kendra/model/Document.java