| encoding/binary | Package binary implements simple translation between numbers and byte sequences and encoding and decoding of varints. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/golang/protobuf/conformance/internal/conformance_proto | |
| github.com/golang/protobuf/jsonpb | Package jsonpb provides functionality to marshal and unmarshal between a protocol buffer message and JSON. |
| github.com/golang/protobuf/proto | Package proto provides functionality for handling protocol buffer messages. |
| io | Package io provides basic interfaces to I/O primitives. |
| os | Package os provides a platform-independent interface to operating system functionality. |