var BuiltInNodeModules = map[string]bool{
	"assert":         true,
	"async_hooks":    true,
	"buffer":         true,
	"child_process":  true,
	"cluster":        true,
	"console":        true,
	"constants":      true,
	"crypto":         true,
	"dgram":          true,
	"dns":            true,
	"domain":         true,
	"events":         true,
	"fs":             true,
	"http":           true,
	"http2":          true,
	"https":          true,
	"inspector":      true,
	"module":         true,
	"net":            true,
	"os":             true,
	"path":           true,
	"perf_hooks":     true,
	"process":        true,
	"punycode":       true,
	"querystring":    true,
	"readline":       true,
	"repl":           true,
	"stream":         true,
	"string_decoder": true,
	"sys":            true,
	"timers":         true,
	"tls":            true,
	"trace_events":   true,
	"tty":            true,
	"url":            true,
	"util":           true,
	"v8":             true,
	"vm":             true,
	"worker_threads": true,
	"zlib":           true,
}

type AlternativeApproach uint8

const (
	AlternativeApproachNone AlternativeApproach = iota
	AlternativeApproachImport
	AlternativeApproachRequire
)

type DataURL struct {
	// contains filtered or unexported fields
}

type DebugMeta struct {
	// contains filtered or unexported fields
}

type IgnoreIfUnusedData struct {
	Source *logger.Source
	Range  logger.Range

	// If true, "sideEffects" was an array. If false, "sideEffects" was false.
	IsSideEffectsArrayInJSON bool
}

type MIMEType uint8

const (
	MIMETypeUnsupported MIMEType = iota
	MIMETypeTextCSS
	MIMETypeTextJavaScript
	MIMETypeApplicationJSON
)

type PathPair struct {
	// Either secondary will be empty, or primary will be "module" and secondary
	// will be "main"
	Primary   logger.Path
	Secondary logger.Path
}

type ResolveResult struct {
	PathPair PathPair

	// If this was resolved by a plugin, the plugin gets to store its data here
	PluginData interface{}

	// If not empty, these should override the default values
	JSXFactory  []string // Default if empty: "React.createElement"
	JSXFragment []string // Default if empty: "React.Fragment"

	DifferentCase *fs.DifferentCase

	// If true, any ES6 imports to this file can be considered to have no side
	// effects. This means they should be removed if unused.
	IgnorePrimaryIfUnused *IgnoreIfUnusedData

	IsExternal bool

	// If true, the class field transform should use Object.defineProperty().
	UseDefineForClassFieldsTS bool

	// If true, unused imports are retained in TypeScript code. This matches the
	// behavior of the "importsNotUsedAsValues" field in "tsconfig.json" when the
	// value is not "remove".
	PreserveUnusedImportsTS bool

	// This is the "type" field from "package.json"
	ModuleType config.ModuleType
}

type Resolver interface {
	Resolve(sourceDir string, importPath string, kind ast.ImportKind) (result *ResolveResult, debug DebugMeta)
	ResolveAbs(absPath string) *ResolveResult
	PrettyPath(path logger.Path) string

	// This tries to run "Resolve" on a package path as a relative path. If
	// successful, the user just forgot a leading "./" in front of the path.
	ProbeResolvePackageAsRelative(sourceDir string, importPath string, kind ast.ImportKind) *ResolveResult
}

type TSConfigJSON struct {
	// The absolute path of "compilerOptions.baseUrl"
	BaseURL *string

	// This is used if "Paths" is non-nil. It's equal to "BaseURL" except if
	// "BaseURL" is missing, in which case it is as if "BaseURL" was ".". This
	// is to implement the "paths without baseUrl" feature from TypeScript 4.1.
	// More info: https://github.com/microsoft/TypeScript/issues/31869
	BaseURLForPaths string

	// The verbatim values of "compilerOptions.paths". The keys are patterns to
	// match and the values are arrays of fallback paths to search. Each key and
	// each fallback path can optionally have a single "*" wildcard character.
	// If both the key and the value have a wildcard, the substring matched by
	// the wildcard is substituted into the fallback path. The keys represent
	// module-style path names and the fallback paths are relative to the
	// "baseUrl" value in the "tsconfig.json" file.
	Paths map[string][]string

	JSXFactory                     []string
	JSXFragmentFactory             []string
	UseDefineForClassFields        bool
	PreserveImportsNotUsedAsValues bool
}