@Test
    public void testPerformance() throws Exception {
        int num = 100000;
        Map<String, Object> hmap = new HashMap<String, Object>();
        Map<String, Object> amap = new ArrayMap<String, Object>();

        long start = System.currentTimeMillis();
        for (int i = 0; i < num; i++) {
            hmap.put(String.valueOf(i), null);
        }

	}
	c = Config{
		Enabled:            false,
		arnProviderCfgsMap: map[arn.ARN]*providerCfg{},
		ProviderCfgs:       map[string]*providerCfg{},
		pubKeys: publicKeys{
			RWMutex: &sync.RWMutex{},
			pkMap:   map[string]interface{}{},
		},
		roleArnPolicyMap: map[arn.ARN]string{},
		transport:        openIDClientTransport,
		closeRespFn:      closeRespFn,
	}

	seenClientIDs := set.NewStringSet()