code: @Override
      public UpdateServerResult updateServer(UpdateServerRequest request) {
          request = beforeClientExecution(request);
          return executeUpdateServer(request);
      }
docs: <p>
  Updates settings for a server.
  </p>
  <p>
  This operation is synchronous.
  </p>
  
  @param updateServerRequest
  @return Result of the UpdateServer operation returned by the service.
  @throws InvalidStateException
  The resource is in a state that does not allow you to perform a specified action.
  @throws ResourceNotFoundException
  The requested resource does not exist, or access was denied.
  @throws ValidationException
  One or more of the provided request parameters are not valid.
  @sample AWSOpsWorksCM.UpdateServer
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/opsworkscm-2016-11-01/UpdateServer" target="_top">AWS API
  Documentation</a>