| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/jonboulle/clockwork | |
| github.com/ydb-platform/ydb-go-sdk/v3/internal/xerrors | |
| github.com/ydb-platform/ydb-go-sdk/v3/internal/xrand | |
| time | Package time provides functionality for measuring and displaying time. |