if (whenExpression != null) {
                    val subject = whenExpression.subjectExpression ?: return with(analysisSession) { builtinTypes.BOOLEAN }
                    val kotlinType = analysisContext.analyze(subject).getType(subject)
                    return kotlinType?.toKtNonErrorType(analysisContext)
                }
            }

  }

  @Test
  @TestMetadata("when_subject.kt")
  public void testWhen_subject() {
    runTest("analysis/analysis-api/testData/components/expressionInfoProvider/isUsedAsExpression/when_subject.kt");
  }

  @Test
  @TestMetadata("when_subject_with_branches.kt")
  public void testWhen_subject_with_branches() {

) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.TypeVarianceConflictInExpandedType

internal class SmartcastImpossibleImpl(
    override val desiredType: KtType,
    override val subject: KtExpression,
    override val description: String,
    override val isCastToNotNull: Boolean,
    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,

  }

  @Test
  @TestMetadata("class_object_call.kt")
  public void testClass_object_call() {
    runTest("analysis/analysis-api/testData/components/psiTypeProvider/psiType/forExpression/class_object_call.kt");
  }

  @Test
  @TestMetadata("class_object_constructor.kt")
  public void testClass_object_constructor() {

     */
    fun inlineObjectDeclarations(): Set<KtObjectDeclaration> {
        val results = mutableSetOf<KtObjectDeclaration>()

        inlineFunctionsWithBody.forEach { inlineFunction ->
            val body = inlineFunction.bodyExpression ?: return@forEach
            body.accept(object : KtTreeVisitorVoid() {

            return KtCompilationResult.Failure(frontendErrors)
        }

        // The IR backend will try to regenerate object literals defined in inline functions from generated class files during inlining.
        // Hence, we need to be aware of which object declarations are defined in the relevant inline functions.
        val inlineObjectDeclarations = inlineAnalyzer.inlineObjectDeclarations()

    }

    @Test
    @TestMetadata("nestedType_object.kt")
    public void testNestedType_object() {
      runTest("analysis/analysis-api/testData/components/expressionTypeProvider/expressionType/nameReference/nestedType_object.kt");
    }

    @Test
    @TestMetadata("nestedType_object_extensionInvoke.kt")
    public void testNestedType_object_extensionInvoke() {

        this ?: error("Resolution is not performed")
}

class KtFe10AnalysisHandlerExtension(
    private val useSiteModule: KtSourceModule? = null
) : AnalysisHandlerExtension {
    internal companion object {
        fun getInstance(area: AreaInstance, module: KtModule): KtFe10AnalysisHandlerExtension {
            val extensions = AnalysisHandlerExtension.extensionPointName.getExtensions(area)

            }
        )
    }

    fun getScopeSessionFor(session: FirSession): ScopeSession = withValidityAssertion { firResolveSession.getScopeSessionFor(session) }

    companion object {
        internal fun createAnalysisSessionByFirResolveSession(
            firResolveSession: LLFirResolveSession,
            token: KtLifetimeToken,
        ): KtFirAnalysisSession {

                && overriddenDescriptors.isNotEmpty())
    }

internal val ClassDescriptor.isInterfaceLike: Boolean
    get() = when (kind) {
        ClassKind.CLASS, ClassKind.ENUM_CLASS, ClassKind.OBJECT, ClassKind.ENUM_ENTRY -> false
        else -> true
    }

internal fun DeclarationDescriptor.toKtSymbol(analysisContext: Fe10AnalysisContext): KtSymbol? {
    if (this is ClassDescriptor && kind == ClassKind.ENUM_ENTRY) {