| 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/gobwas/glob | |
| github.com/gohugoio/hugo/config | |
| github.com/gohugoio/hugo/hugofs/glob | |
| 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. |
| regexp | Package regexp implements regular expression search. |