| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| github.com/emicklei/go-restful | Package restful , a lean package for creating REST-style WebServices without magic. |
| github.com/go-openapi/spec | |
| net/http | Package http provides HTTP client and server implementations. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| regexp | Package regexp implements regular expression search. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |