| bytes | Package bytes implements functions for the manipulation of byte slices. |
| cuelang.org/go/cue/ast | Package ast declares the types used to represent syntax trees for CUE packages. |
| cuelang.org/go/cue/token | Package token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates). |
| encoding/xml | Package xml implements a simple XML 1.0 parser that understands XML name spaces. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| io | Package io provides basic interfaces to I/O primitives. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| unicode | Package unicode provides data and functions to test some properties of Unicode code points. |