| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| golang.org/x/telemetry/counter | Package counter implements a simple counter system for collecting totally public telemetry data. |
| golang.org/x/telemetry/counter/countertest | countertest provides testing utilities for counters. |
| golang.org/x/telemetry/internal/counter | Package internal/counter implements the internals of the public counter package. |
| golang.org/x/telemetry/internal/telemetry | Package telemetry manages the telemetry mode file. |
| log | Package log implements a simple logging package. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| os/exec | Package exec runs external commands. |
| runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |
| runtime/debug | Package debug contains facilities for programs to debug themselves while they are running. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| testing | Package testing provides support for automated testing of Go packages. |
| time | Package time provides functionality for measuring and displaying time. |