public KerberosAttributes withADDomainJoinUser(String aDDomainJoinUser) {
        setADDomainJoinUser(aDDomainJoinUser);
        return this;
    }
<p>
Required only when establishing a cross-realm trust with an Active Directory domain. A user with sufficient
privileges to join resources to the domain.
</p>

@param aDDomainJoinUser
       Required only when establishing a cross-realm trust with an Active Directory domain. A user with
       sufficient privileges to join resources to the domain.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/KerberosAttributes.java