| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| go.mongodb.org/mongo-driver/internal/randutil | Package randutil provides common random number utilities. |
| go.mongodb.org/mongo-driver/mongo/writeconcern | Package writeconcern defines write concerns for MongoDB operations. |
| go.mongodb.org/mongo-driver/x/mongo/driver/dns | Package dns is intended for internal use only. |
| go.mongodb.org/mongo-driver/x/mongo/driver/wiremessage | Package wiremessage is intended for internal use only. |
| net | Package net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets. |
| net/url | Package url parses URLs and implements query escaping. |
| 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. |