| bytes | Package bytes implements functions for the manipulation of byte slices. |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| gocloud.dev/blob | Package blob provides an easy and portable way to interact with blobs within a storage location. |
| gocloud.dev/gcerrors | Package gcerrors provides support for getting error codes from errors returned by Go CDK APIs. |
| gocloud.dev/runtimevar | Package runtimevar provides an easy and portable way to watch runtime configuration variables. |
| gocloud.dev/runtimevar/driver | Package driver defines interfaces to be implemented by runtimevar drivers, which will be used by the runtimevar package to interact with the underlying services. |
| time | Package time provides functionality for measuring and displaying time. |