, only one Principal is added.
 
 <p>
 If a second principal is added, the value returned by <a href="https://docs.oracle.com/javase/8/docs/api/java/security/Principal.html?is-external=true#getName--" title="class or interface in java.security"><code>Principal.getName()</code></a>
 will be the same for both principals.
 
 <p>
 When two principals are added, the container's caller principal is returned from
 <a href="../../../../../../jakarta/security/enterprise/SecurityContext.html#getCallerPrincipal--"><co