code: public static base_response update(nitro_service client, clusterinstance resource) throws Exception {
  		clusterinstance updateresource = new clusterinstance();
  		updateresource.clid = resource.clid;
  		updateresource.deadinterval = resource.deadinterval;
  		updateresource.hellointerval = resource.hellointerval;
  		updateresource.preemption = resource.preemption;
  		return updateresource.update_resource(client);
  	}
docs: Use this API to update clusterinstance.