| 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. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/gohugoio/hugo/common/herrors | Package herrors contains common Hugo errors and error related utilities. |
| github.com/gohugoio/hugo/common/types | Package types contains types shared between packages in Hugo. |
| github.com/gohugoio/hugo/config | |
| 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/parser | |
| github.com/gohugoio/hugo/parser/metadecoders | |
| github.com/mitchellh/mapstructure | |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| regexp | Package regexp implements regular expression search. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |