| bytes | Package bytes implements functions for the manipulation of byte slices. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| errors | Package errors implements functions to manipulate errors. |
| gopkg.in/square/go-jose.v2 | Package jose aims to provide an implementation of the Javascript Object Signing and Encryption set of standards. |
| gopkg.in/square/go-jose.v2/json | Package json implements encoding and decoding of JSON objects as defined in RFC 4627. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| 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. |
| time | Package time provides functionality for measuring and displaying time. |