| 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/mongodb/mongo-go-driver/bson | |
| github.com/mongodb/mongo-go-driver/bson/objectid | |
| github.com/mongodb/mongo-go-driver/core/wiremessage | |
| testing | Package testing provides support for automated testing of Go packages. |
| time | Package time provides functionality for measuring and displaying time. |