| crypto/rand | Package rand implements a cryptographically secure random number generator. |
| errors | Package errors implements functions to manipulate errors. |
| github.com/mongodb/mongo-go-driver/bson | |
| github.com/mongodb/mongo-go-driver/core/description | |
| github.com/mongodb/mongo-go-driver/core/readconcern | |
| github.com/mongodb/mongo-go-driver/core/readpref | |
| github.com/mongodb/mongo-go-driver/core/uuid | |
| github.com/mongodb/mongo-go-driver/core/writeconcern | |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |