| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/gohugoio/hugo/common/hreflect | Package hreflect contains reflect helpers. |
| github.com/gohugoio/hugo/common/maps | |
| github.com/gohugoio/hugo/media | Package media contains Media Type (MIME type) related types and functions. |
| github.com/gohugoio/hugo/resources/resource | Package resource contains Resource related types. |
| github.com/spf13/cast | Package cast provides easy and safe casting in Go. |
| 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. |