*
   * @since 19.0
   */
  public final boolean isSubtypeOf(Type supertype) {
    checkNotNull(supertype);
    if (supertype instanceof WildcardType) {
      // if 'supertype' is <? super Foo>, 'this' can be:
      // Foo, SubFoo, <? extends Foo>.
      // if 'supertype' is <? extends Foo>, nothing is a subtype.
      return any(((WildcardType) supertype).getLowerBounds()).isSupertypeOf(runtimeType);
    }

        for (supertype in supertypes) {
            val mappedSupertype = if (isNullable) supertype.makeNullable() else supertype
            result += mappedSupertype.toKtType(analysisContext)
        }
        return@cached result
    }

    override val nullability: KtTypeNullability
        get() = withValidityAssertion { fe10Type.ktNullability }

        )
    }

    override fun isSubTypeOf(subType: KtType, superType: KtType): Boolean {
        superType.assertIsValidAndAccessible()
        check(subType is KtFirType)
        check(superType is KtFirType)
        return AbstractTypeChecker.isSubtypeOf(
            createTypeCheckerContext(),
            subType.coneType,
            superType.coneType
        )
    }

    TypeToken<?> supertype = new TypeToken<Mall<Outdoor>.Shop<Electronics>>() {};
    Class<?> subclass = new Mall<Outdoor>().new Shop<Grocery>() {}.getClass();
    assertFalse(TypeToken.of(subclass).isSubtypeOf(supertype));
  }

  @SuppressWarnings("RestrictedApiChecker") // crashes under JDK8, which EP no longer supports
  public static void testSubtypeOfInnerClass_staticAnonymousClass() {

        fun dfs(symbol: FirClassSymbol<*>) {
            for (superType in symbol.resolvedSuperTypes) {
                if (result != null) {
                    return
                }
                if (superType !is ConeClassLikeType) continue
                val superClassSymbol = superType.toRegularClassSymbol(rootModuleSession) ?: continue
                stack += superType to superClassSymbol

    TypeToken<TwoTypeArgs<?, ?>> supertype = new TypeToken<TwoTypeArgs<?, ?>>() {};
    TypeToken<StringForFirstTypeArg<String>> subtype =
        new TypeToken<StringForFirstTypeArg<String>>() {};
    assertTrue(subtype.isSubtypeOf(supertype));
    assertEquals(
        new TypeToken<StringForFirstTypeArg<?>>() {}, supertype.getSubtype(subtype.getRawType()));
  }

    }

    override fun isSubTypeOf(subType: KtType, superType: KtType): Boolean {
        require(subType is KtFe10Type)
        require(superType is KtFe10Type)
        val typeChecker = analysisContext.resolveSession.kotlinTypeCheckerOfOwnerModule
        return typeChecker.isSubtypeOf(subType.fe10Type, superType.fe10Type)
    }

        PropertyDoc propertyDocA = propertyDoc('a')
        PropertyDoc propertyDocC = propertyDoc('c')

        ClassDoc superType1 = classDoc("org.gradle.SuperType1")
        ClassDoc superType2 = classDoc("org.gradle.SuperType2")

        def content = parse('''
<section>
    <section><title>Properties</title>
        <table>
            <thead><tr><td>Name</td></tr></thead>

        Map<String, PropertyDoc> props = new TreeMap<String, PropertyDoc>();
        List<ClassDoc> superTypes = classDoc.getSuperTypes();
        for (ClassDoc superType : superTypes) {
            LOG.info("Getting properties for {}", superType.getName());
            for (PropertyDoc propertyDoc : superType.getClassProperties()) {

    TypeToken<TwoTypeArgs<?, ?>> supertype = new TypeToken<TwoTypeArgs<?, ?>>() {};
    TypeToken<StringForFirstTypeArg<String>> subtype =
        new TypeToken<StringForFirstTypeArg<String>>() {};
    assertTrue(subtype.isSubtypeOf(supertype));
    assertEquals(
        new TypeToken<StringForFirstTypeArg<?>>() {}, supertype.getSubtype(subtype.getRawType()));
  }