| bytes | Package bytes implements functions for the manipulation of byte slices. |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| flag | Package flag implements command-line flag parsing. |
| 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/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/go/expect | Package expect provides support for interpreting structured comments in Go source code (including go.mod and go.work files) as test expectations. |
| golang.org/x/tools/go/packages | Package packages loads Go packages for inspection and analysis. |
| golang.org/x/tools/go/packages/packagestest | Package packagestest creates temporary projects on disk for testing go tools on. |
| golang.org/x/tools/internal/lsp/command | |
| golang.org/x/tools/internal/lsp/diff | |
| golang.org/x/tools/internal/lsp/diff/myers | |
| golang.org/x/tools/internal/lsp/protocol | |
| golang.org/x/tools/internal/lsp/source | |
| golang.org/x/tools/internal/lsp/source/completion | |
| golang.org/x/tools/internal/span | |
| golang.org/x/tools/internal/testenv | Package testenv contains helper functions for skipping tests based on which tools are present in the environment. |
| golang.org/x/tools/internal/typeparams | Package typeparams contains common utilities for writing tools that interact with generic Go code, as introduced with Go 1.18. |
| golang.org/x/tools/txtar | Package txtar implements a trivial text-based file archive format. |
| io | Package io provides basic interfaces to I/O primitives. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| regexp | Package regexp implements regular expression search. |
| 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. |
| testing | Package testing provides support for automated testing of Go packages. |
| time | Package time provides functionality for measuring and displaying time. |