| flag | Package flag implements command-line flag parsing. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/coreos/etcd/etcdserver/etcdserverpb | Package etcdserverpb is a generated protocol buffer package. |
| github.com/coreos/etcd/pkg/pbutil | Package pbutil defines interfaces for handling Protocol Buffer objects. |
| github.com/coreos/etcd/pkg/types | Package types declares various data types and implements type-checking functions. |
| github.com/coreos/etcd/raft/raftpb | Package raftpb is a generated protocol buffer package. |
| github.com/coreos/etcd/snap | Package snap stores raft nodes' states with snapshots. |
| github.com/coreos/etcd/wal | Package wal provides an implementation of a write ahead log that is used by etcd. |
| github.com/coreos/etcd/wal/walpb | Package walpb is a generated protocol buffer package. |
| log | Package log implements a simple logging package. |
| path | Package path implements utility routines for manipulating slash-separated paths. |
| time | Package time provides functionality for measuring and displaying time. |