public String getCrossRealmTrustPrincipalPassword() {
        return this.crossRealmTrustPrincipalPassword;
    }
<p>
Required only when establishing a cross-realm trust with a KDC in a different realm. The cross-realm principal
password, which must be identical across realms.
</p>

@return Required only when establishing a cross-realm trust with a KDC in a different realm. The cross-realm
        principal password, which must be identical across realms.
aws-java-sdk-emr/src/main/java/com/amazonaws/services/elasticmapreduce/model/KerberosAttributes.java