| bytes | Package bytes implements functions for the manipulation of byte slices. |
| errors | Package errors implements functions to manipulate errors. |
| go/token | Package token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates). |
| golang.org/x/tools/internal/lsp/protocol | |
| golang.org/x/tools/internal/lsp/safetoken | |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| unicode/utf8 | Package utf8 implements functions and constants to support text encoded in UTF-8. |