code: protected void unsetAuthDataService(ServiceReference<AuthDataService> ref) {
          if (TraceComponent.isAnyTracingEnabled() && tc.isDebugEnabled())
              Tr.debug(tc, "unsetAuthDataService", ref);
          authDataServiceRef.unsetReference(ref);
      }
docs: Declarative Services method for unsetting the AuthDataService reference.
  
  @param ref reference to the service