Imports of package topicreader

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
errorsPackage errors implements functions to manipulate errors.
github.com/ydb-platform/ydb-go-sdk/v3/internal/topic/topicreaderinternal
github.com/ydb-platform/ydb-go-sdk/v3/internal/xatomic
github.com/ydb-platform/ydb-go-sdk/v3/internal/xerrors