| github.com/golang/protobuf/proto | Package proto provides functionality for handling protocol buffer messages. |
| github.com/golang/protobuf/ptypes | Package ptypes provides functionality for interacting with well-known types. |
| github.com/golang/protobuf/ptypes/duration | |
| github.com/golang/protobuf/ptypes/timestamp | |
| github.com/lyft/protoc-gen-star | |
| github.com/lyft/protoc-gen-validate/templates | |
| github.com/lyft/protoc-gen-validate/validate | |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| regexp | Package regexp implements regular expression search. |
| time | Package time provides functionality for measuring and displaying time. |
| unicode/utf8 | Package utf8 implements functions and constants to support text encoded in UTF-8. |