Imports of package v3election

PathSynopsis
errorsPackage errors implements functions to manipulate errors.
github.com/coreos/etcd/clientv3clientv3 is the official Go etcd client for v3.
github.com/coreos/etcd/clientv3/concurrency
github.com/coreos/etcd/etcdserver/api/v3election/v3electionpb
golang.org/x/net/contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.