var mainModuleMatches []module.Version
	for _, mainModule := range MainModules.Versions() {
		m := match(mainModule, modRoots, true)
		if len(m.Pkgs) > 0 {
			if query != "upgrade" && query != "patch" {
				return nil, nil, &QueryMatchesPackagesInMainModuleError{
					Pattern:  pattern,
					Query:    query,
					Packages: m.Pkgs,
				}
			}
			if err := allowed(ctx, mainModule); err != nil {

	for _, pkg := range pkgs {
		m := modload.PackageModule(pkg)
		if m.Path == "" || modload.MainModules.Contains(m.Path) {
			continue
		}
		modpkgs[m] = append(modpkgs[m], pkg)
	}
	checkPathCollisions(modpkgs)

	includeAllReplacements := false
	includeGoVersions := false
	isExplicit := map[module.Version]bool{}
	gv := modload.MainModules.GoVersion()

public class KtModuleProviderBuilder(
    public val kotlinCoreProjectEnvironment: KotlinCoreProjectEnvironment,
) {
    private val mainModules: MutableList<KtModule> = mutableListOf()

    public fun <M : KtModule> addModule(module: M): M {
        mainModules.add(module)
        return module
    }

    public lateinit var platform: TargetPlatform

    public fun build(): KtStaticProjectStructureProvider {

	if MainModules.Len() != 1 || MainModules.ModRoot(MainModules.Versions()[0]) == "" {
		// We aren't in a module, so we don't have anywhere to write a go.mod file.
		return nil, nil, nil, errNoChange
	}
	mainModule := MainModules.mustGetSingleMainModule()
	modFile = MainModules.ModFile(mainModule)
	if modFile == nil {

	if MainModules == nil {
		return module.Version{}, "", ""
	} else if MainModules.Contains(mod.Path) && mod.Version == "" {
		// Don't replace the workspace version of the main module.
		return module.Version{}, "", ""
	}
	if _, r, ok := replacement(mod, MainModules.WorkFileReplaceMap()); ok {
		return r, "", workFilePath
	}
	for _, v := range MainModules.Versions() {

			continue
		}

		var (
			root, modPrefix string
			isLocal         bool
		)
		if MainModules.Contains(mod.Path) {
			if MainModules.ModRoot(mod) == "" {
				continue // If there is no main module, we can't search in it.
			}
			root = MainModules.ModRoot(mod)
			modPrefix = MainModules.PathPrefix(mod)
			isLocal = true
		} else {
			var err error
			root, isLocal, err = fetch(ctx, mod)

	}

	// convert from `go mod graph` to main module and map of from->[]to references
	mainModules, moduleGraph := convertToMap(modeGraphStr)

	directDependencies := map[string]map[string]bool{}
	for _, mainModule := range mainModules {
		dir := ""
		if mainModule.name != "k8s.io/kubernetes" {
			dir = "staging/src/" + mainModule.name
		}

		for _, mainModule := range MainModules.Versions() {
			if MainModules.InGorootSrc(mainModule) {
				if dir, ok, err := dirInModule(path, MainModules.PathPrefix(mainModule), MainModules.ModRoot(mainModule), true); err != nil {
					return module.Version{}, MainModules.ModRoot(mainModule), dir, nil, err
				} else if ok {
					return mainModule, MainModules.ModRoot(mainModule), dir, nil, nil
				}
			}
		}

// list additional directives from the package under test.
func defaultGODEBUG(p *Package, directives, testDirectives, xtestDirectives []build.Directive) string {
	if p.Name != "main" {
		return ""
	}
	goVersion := modload.MainModules.GoVersion()
	if modload.RootMode == modload.NoRoot && p.Module != nil {
		// This is go install pkg@version or go run pkg@version.
		// Use the Go version from the package.
		// If there isn't one, then assume Go 1.20,

	mms := modload.MainModules

	opts := modload.PackageOpts{
		Tags:                     imports.AnyTags(),
		VendorModulesInGOROOTSrc: true,
		ResolveMissingImports:    false,
		LoadTests:                true,
		AllowErrors:              true,
		SilencePackageErrors:     true,
		SilenceUnmatchedWarnings: true,
	}
	for _, m := range mms.Versions() {
		opts.MainModule = m