| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/gohugoio/hugo/docshelper | Package docshelper provides some helpers for the Hugo documentation, and is of limited interest for the general Hugo user. |
| github.com/gohugoio/hugo/helpers | Package helpers implements general utility functions that work with and on content. |
| github.com/mitchellh/mapstructure | Package mapstructure exposes functionality to convert one arbitrary Go type into another, typically to convert a map[string]interface{} into a native Go structure. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |