| bufio | Package bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O. |
| encoding/binary | Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints. |
| errors | Package errors implements functions to manipulate errors. |
| github.com/gogo/protobuf/proto | Package proto converts data structures to and from the wire format of protocol buffers. |
| io | Package io provides basic interfaces to I/O primitives. |