| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/golang/protobuf/proto | Package proto provides functionality for handling protocol buffer messages. |
| github.com/googleapis/gnostic/OpenAPIv2 | |
| github.com/googleapis/gnostic/OpenAPIv3 | |
| log | Package log implements a simple logging package. |
| math | Package math provides basic constants and mathematical functions. |
| path | Package path implements utility routines for manipulating slash-separated paths. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |