src/java.base/share/classes/javax/security/auth/SubjectDomainCombiner.java

*** 41,50 ****
--- 41,51 ----
  /**
   * A {@code SubjectDomainCombiner} updates ProtectionDomains
   * with Principals from the {@code Subject} associated with this
   * {@code SubjectDomainCombiner}.
   *
+  * @since 1.4
   */
  public class SubjectDomainCombiner implements java.security.DomainCombiner {
  
      private Subject subject;
      private WeakKeyValueMap<ProtectionDomain, ProtectionDomain> cachedPDs =