code: @Reference(service = ServerStarted.class,
                 policy = ReferencePolicy.DYNAMIC,
                 cardinality = ReferenceCardinality.OPTIONAL,
                 policyOption = ReferencePolicyOption.GREEDY)
      protected void setServerStarted(ServiceReference<ServerStarted> ref) {
          // set will be called when the ServerStarted service has been registered (by the FeatureManager as of 9/2015).  This is a signal that that
          // the server is fully started.  Therefore we can signal such things as the TCP Channel Accept logic to start accepting connections, if the
          // channel has been configured to do that.
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled()) {
              Tr.debug(this, tc, "Server Completely Started signal received");
          }
  
          synchronized (syncStarted) {
              serverCompletelyStarted = true;
              syncStarted.notifyAll();
          }
      }
docs: Declarative services method that is invoked once the server is started.
  Only after this method is invoked is the initial polling for
  persistent tasks performed.
  
  @param ref reference to the ServerStarted service