| github.com/gohugoio/hugo/identity | Package provides ways to identify values in Hugo. |
| github.com/gohugoio/hugo/output | Package output contains Output Format types and functions. |
| github.com/gohugoio/hugo/tpl/internal/go_templates/texttemplate | Package template implements data-driven templates for generating textual output. |
| io | Package io provides basic interfaces to I/O primitives. |
| reflect | Package reflect implements run-time reflection, allowing a program to manipulate objects with arbitrary types. |
| regexp | Package regexp implements regular expression search. |