| bytes | Package bytes implements functions for the manipulation of byte slices. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/tdewolff/parse/v2 | Package parse contains a collection of parsers for various formats in its subpackages. |
| github.com/tdewolff/parse/v2/css | Package css is a CSS3 lexer and parser following the specifications at http://www.w3.org/TR/css-syntax-3/. |
| io | Package io provides basic interfaces to I/O primitives. |
| 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. |