Imports github.com/google/btree golang.org/x/time/rate github.com/aws/aws-sdk-go-v2/config github.com/aws/aws-sdk-go-v2/service/s3 github.com/klauspost/compress/zstd github.com/nicois/bigset Standard library imports bufio bytes context crypto/sha256 encoding/csv encoding/json errors fmt io math/rand net/url os os/exec path/filepath strconv strings sync sync/atomic syscall text/template time slices log/slog iter