| bytes | Package bytes implements functions for the manipulation of byte slices. |
| cmp | Package cmp provides types and functions related to comparing ordered values. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| go/ast | Package ast declares the types used to represent syntax trees for Go packages. |
| go/parser | Package parser implements a parser for Go source files. |
| go/printer | Package printer implements printing of AST nodes. |
| go/scanner | Package scanner implements a scanner for Go source text. |
| go/token | Package token defines constants representing the lexical tokens of the Go programming language and basic operations on tokens (printing, predicates). |
| go/types | Package types declares the data types and implements the algorithms for type-checking of Go packages. |
| golang.org/x/tools/go/analysis | Package analysis defines the interface between a modular static analysis and an analysis driver program. |
| golang.org/x/tools/go/ast/inspector | Package inspector provides helper functions for traversal over the syntax trees of a package, including node filtering by type, and materialization of the traversal stack. |
| golang.org/x/tools/internal/astutil/cursor | Package cursor augments inspector.Inspector with Cursor functionality allowing more flexibility and control during inspection. |
| golang.org/x/tools/internal/typesinternal | Package typesinternal provides access to internal go/types APIs that are not yet exported. |
| iter | Package iter provides basic definitions and operations related to iterators over sequences. |
| path | Package path implements utility routines for manipulating slash-separated paths. |
| slices | Package slices defines various functions useful with slices of any type. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |