var readCounter … var writeCounter … var readFailedCounter … var writeFailedCounter … var expireCounter … var watchRequests … var watcherCount … const GetRecursive … func init() { … } func reportReadSuccess(readAction string) { … } func reportReadFailure(readAction string) { … } func reportWriteSuccess(writeAction string) { … } func reportWriteFailure(writeAction string) { … } func reportExpiredKey() { … } func reportWatchRequest() { … } func reportWatcherAdded() { … } func reportWatcherRemoved() { … }