public val KaType.isBoolean: Boolean get() = withValidityAssertion { isClassTypeWithClassId(DefaultTypeClassIds.BOOLEAN) }
    public val KaType.isString: Boolean get() = withValidityAssertion { isClassTypeWithClassId(DefaultTypeClassIds.STRING) }
    public val KaType.isCharSequence: Boolean get() = withValidityAssertion { isClassTypeWithClassId(DefaultTypeClassIds.CHAR_SEQUENCE) }

            type.isULong -> KaConstantValue.KaUnsignedLongConstantValue((value as Number).toLong().toULong(), expression)
            type.isString -> KaConstantValue.KaStringConstantValue(value.toString(), expression)
            type.isFloat -> KaConstantValue.KaFloatConstantValue((value as Number).toFloat(), expression)

func MakeReadFile(pass *analysis.Pass) func(filename string) ([]byte, error) {
	return func(filename string) ([]byte, error) {
		if err := CheckReadable(pass, filename); err != nil {
			return nil, err
		}
		return os.ReadFile(filename)
	}
}

// CheckReadable enforces the access policy defined by the ReadFile field of [analysis.Pass].
func CheckReadable(pass *analysis.Pass, filename string) error {

	_ = types.NewPtr(types.NewPtr(types.Types[types.TSTRING]))              // **string
	_ = types.NewPtr(types.NewSlice(types.Types[types.TINTER]))             // *[]interface{}
	_ = types.NewPtr(types.NewPtr(types.ByteType))                          // **byte
	_ = types.NewPtr(types.NewSlice(types.ByteType))                        // *[]byte
	_ = types.NewPtr(types.NewSlice(types.Types[types.TSTRING]))            // *[]string

// necessary so that we can use alias type names that may not be reachable from
// inType itself).
func describe(typ, inType types.Type, inName string) string {
	name := inName
	if typ != inType {
		name = typeName(typ)
	}
	if name == "" {
		return ""
	}

	var parentheticals []string
	if underName := typeName(typ.Underlying()); underName != "" && underName != name {
		parentheticals = append(parentheticals, underName)
	}

        is KaTypeParameterSymbol -> this.nameOrAnonymous.asString()
        is KaVariableSymbol -> "${if (isVal) "val" else "var"} $name: ${returnType.render()}"
        is KaClassLikeSymbol -> classId?.toString() ?: nameOrAnonymous.asString()
        is KaPackageSymbol -> fqName.toString()
        is KaEnumEntrySymbol -> callableId?.toString() ?: name.asString()
        is KaSymbol -> DebugSymbolRenderer().render(analysisSession, this)

        if (descriptor == null) {
            val name = when (builder) {
                is KaClassTypeBuilder.ByClassId -> builder.classId.asString()
                is KaClassTypeBuilder.BySymbol ->
                    builder.symbol.classId?.asString()
                        ?: builder.symbol.name?.asString()
                        ?: SpecialNames.ANONYMOUS_STRING
            }

    }

    override fun doesPlatformSpecificPackageExist(packageFqName: FqName, platform: TargetPlatform): Boolean {
        when {
            platform.isJvm() -> {
                val fqNameString = packageFqName.asString()
                forEachNonKotlinPsiElementFinder(project) { finder ->
                    val psiPackage = finder.findPackage(fqNameString)
                    if (psiPackage != null) {

    private val project: Project,
    override val token: KaLifetimeToken
) : KaPackageSymbol(), KaLifetimeOwner {
    override val psi: PsiElement? by cached {
        JavaPsiFacade.getInstance(project).findPackage(fqName.asString())
            ?: KtPackage(PsiManager.getInstance(project), fqName, GlobalSearchScope.allScope(project)/*TODO*/)
    }

    override val origin: KaSymbolOrigin

        when (val symbolKind = symbolKind) {
            KaSymbolKind.LOCAL ->
                throw CanNotCreateSymbolPointerForLocalLibraryDeclarationException(classId?.asString() ?: name.asString())

            KaSymbolKind.CLASS_MEMBER, KaSymbolKind.TOP_LEVEL -> KaFirClassLikeSymbolPointer(classId!!, KaTypeAliasSymbol::class)
            else -> throw UnsupportedSymbolKind(this::class, symbolKind)
        }