kc.SetServiceRoots(map[string]string{"xxxx": "http://example.com:23456"},
map[string]string{"xxxx": "http://example.com:23456"},
map[string]string{})
kc.SetServiceRoots(map[string]string{"xxxx": "http://example.com:23456"},
map[string]string{"xxxx": "http://example.com:23456"},
map[string]string{})