| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/go-kit/kit/endpoint | Package endpoint defines an abstraction for RPCs. |
| github.com/go-kit/kit/log | Package log provides a structured logger. |
| github.com/go-kit/kit/sd | Package sd provides utilities related to service discovery. |
| github.com/go-kit/kit/sd/cache | |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| time | Package time provides functionality for measuring and displaying time. |