DialClient dials an etcd cluster with given endpoints.

GetRegistry returns a global Registry.

NewDoneChan returns a DoneChan.

Delimiter is a separator that separates the etcd path.

DialTimeout is the dial timeout.

NewClient is used to create etcd clients.

Placeholder is a placeholder object that can be used globally.

RequestTimeout is the request timeout.

A DoneChan is used as a channel that can be closed multiple times and wait for done.

A Registry is a registry that manages the etcd client connections.

EtcdClient interface represents an etcd client.

Listener interface wraps the OnUpdate method.