| bytes | Package bytes implements functions for the manipulation of byte slices. |
| 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/hashicorp/logutils | Package logutils augments the standard log package with levels. |
| github.com/hashicorp/serf/cli | |
| github.com/hashicorp/serf/command/agent | |
| net/rpc | Package rpc provides access to the exported methods of an object across a network or other I/O connection. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |