| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| go.mongodb.org/mongo-driver/bson/primitive | Package primitive contains types similar to Go primitives for BSON types that do not have direct Go primitive representations. |
| go.mongodb.org/mongo-driver/mongo/readpref | Package readpref defines read preferences for MongoDB queries. |
| go.mongodb.org/mongo-driver/tag | Package tag provides types for filtering replica set members using tags in a read preference. |
| go.mongodb.org/mongo-driver/x/network/address | |
| go.mongodb.org/mongo-driver/x/network/result | |
| math | Package math provides basic constants and mathematical functions. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| time | Package time provides functionality for measuring and displaying time. |