| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| 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/constant | Package constant implements Values representing untyped Go constants and their corresponding operations. |
| go/parser | Package parser implements a parser for Go source files. |
| 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/ast/astutil | Package astutil contains common utilities for working with the Go AST. |
| golang.org/x/tools/internal/event | Package event provides a set of packages that cover the main concepts of telemetry in an implementation agnostic way. |
| golang.org/x/tools/internal/imports | Package imports implements a Go pretty-printer (like package "go/format") that also adds or removes import statements as necessary. |
| golang.org/x/tools/internal/lsp/debug/tag | |
| golang.org/x/tools/internal/lsp/diff | |
| golang.org/x/tools/internal/lsp/fuzzy | |
| golang.org/x/tools/internal/lsp/protocol | |
| golang.org/x/tools/internal/lsp/snippet | |
| golang.org/x/tools/internal/lsp/source | |
| golang.org/x/tools/internal/span | |
| golang.org/x/xerrors | Package xerrors implements functions to manipulate errors. |
| math | Package math provides basic constants and mathematical functions. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| 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. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |
| unicode | Package unicode provides data and functions to test some properties of Unicode code points. |
| unicode/utf8 | Package utf8 implements functions and constants to support text encoded in UTF-8. |