| 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/common/hugio | |
| github.com/gohugoio/hugo/helpers | Package helpers implements general utility functions that work with and on content. |
| github.com/gohugoio/hugo/hugofs | Package hugofs provides the file systems used by Hugo. |
| github.com/gohugoio/hugo/hugofs/files | |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| github.com/spf13/afero | |
| github.com/spf13/cast | Package cast provides easy and safe casting in Go. |
| io | Package io provides basic interfaces to I/O primitives. |