| go.mongodb.org/mongo-driver/bson | Package bson is a library for reading, writing, and manipulating BSON. |
| go.mongodb.org/mongo-driver/bson/bsoncodec | Package bsoncodec provides a system for encoding values to BSON representations and decoding values from BSON representations. |
| go.mongodb.org/mongo-driver/bson/bsonoptions | Package bsonoptions defines the optional configurations for the BSON codecs. |
| go.mongodb.org/mongo-driver/bson/bsontype | Package bsontype is a utility package that contains types for each BSON type and the a stringifier for the Type to enable easier debugging when working with BSON. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| time | Package time provides functionality for measuring and displaying time. |