https://docs.oracle.com/cd/E28280_01/apirefs.1111/e14650/oracle/security/jps/util/PrincipalHolder.html
PrincipalHolder (Oracle Fusion Middleware Java API Reference for Oracle Platform Security Services)
oracle fusion middlewarejava apiplatform security
https://access.redhat.com/webassets/avalon/d/red_hat_jboss_enterprise_application_platform/7.2/javadocs/org/omg/CORBA/PrincipalHolder.html
PrincipalHolder (Red Hat JBoss Enterprise Application Platform 7.2.0.GA public API)
red hat jboss