| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| expvar | Package expvar provides a standardized interface to public variables, such as operation counters in servers. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/coreos/etcd/error | error package describes errors in etcd project. |
| github.com/coreos/etcd/etcdserver | Package etcdserver defines how etcd servers interact and store their states. |
| github.com/coreos/etcd/etcdserver/api | |
| github.com/coreos/etcd/etcdserver/api/v2http/httptypes | |
| github.com/coreos/etcd/etcdserver/etcdserverpb | Package etcdserverpb is a generated protocol buffer package. |
| github.com/coreos/etcd/lease/leasehttp | |
| github.com/coreos/etcd/pkg/logutil | Package logutil includes utilities to facilitate logging. |
| github.com/coreos/etcd/raft | Package raft sends and receives messages in the Protocol Buffer format defined in the raftpb package. |
| github.com/coreos/etcd/rafthttp | Package rafthttp implements HTTP transportation layer for etcd/raft pkg. |
| github.com/coreos/etcd/version | Package version implements etcd version parsing and contains latest version information. |
| github.com/coreos/pkg/capnslog | |
| github.com/prometheus/client_golang/prometheus | Package prometheus is the core instrumentation package. |
| golang.org/x/net/context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| net/http | Package http provides HTTP client and server implementations. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| time | Package time provides functionality for measuring and displaying time. |