docs: @Deprecated
      private <T> java.security.Identity getCallerIdentity(EJBSecurityCollaborator<T> collaborator, EJSDeployedSupport s)
      {
          @SuppressWarnings("unchecked")
          T uncheckedCookie = s == null ? null : (T) s.securityCookie;
          return collaborator.getCallerIdentity(home.beanMetaData, s, uncheckedCookie);
      }