| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/ydb-platform/ydb-go-sdk/v3/internal/xiter | |
| github.com/ydb-platform/ydb-go-sdk/v3/topic/topicreader | Package topicreader provide Reader to receive messages from YDB topics More examples in examples repository |
| google.golang.org/protobuf/proto | Package proto provides functions operating on protocol buffer messages. |