func (e *Event) IsCreate() bool {
	return e.Type == EventTypePut && e.Kv.CreateRevision == e.Kv.ModRevision
}
func (e *Event) IsCreate() bool {
	return e.Type == EventTypePut && e.Kv.CreateRevision == e.Kv.ModRevision
}
func ( e * Event ) IsCreate ( ) bool { return e . Type == EventTypePut && e . Kv . CreateRevision == e . Kv . ModRevision }
// IsCreate returns true if the event tells that the key is newly created.
IsCreate returns true if the event tells that the key is newly created .