get() {
        return (this !is PropertyAccessorDescriptor
                && kind != CallableMemberDescriptor.Kind.FAKE_OVERRIDE
                && overriddenDescriptors.isNotEmpty())
    }

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

        )
    }

    private fun smartCastedImplicitReceiver(
        firExpression: FirQualifiedAccessExpression,
        kind: KtImplicitReceiverSmartCastKind,
    ): KtImplicitReceiverSmartCast? {
        val receiver = when (kind) {
            KtImplicitReceiverSmartCastKind.DISPATCH -> firExpression.dispatchReceiver
            KtImplicitReceiverSmartCastKind.EXTENSION -> firExpression.extensionReceiver

        if (enumDescriptor.kind != ClassKind.ENUM_CLASS) {
            return emptyList()
        }

        val result = mutableListOf<KtEnumEntrySymbol>()

        for (entryDescriptor in enumDescriptor.unsubstitutedMemberScope.getContributedDescriptors()) {
            if (entryDescriptor is ClassDescriptor && entryDescriptor.kind == ClassKind.ENUM_ENTRY) {

            callsEffect.kind
        )

    override fun visitLogicalBinaryOperationContractExpression(
        binaryLogicExpression: ConeBinaryLogicExpression,
        data: Unit
    ): KtContractBinaryLogicExpression = KtContractBinaryLogicExpression(
        binaryLogicExpression.left.accept(),
        binaryLogicExpression.right.accept(),
        when (binaryLogicExpression.kind) {

            if (declaration !is ClassDescriptor || declaration.name.isSpecial) {
                continue
            }

            if (declaration.kind != ClassKind.INTERFACE && declaration.kind != ClassKind.ANNOTATION_CLASS) {
                val internalName = computeClassInternalName(declaration)
                if (internalName != null) {
                    return internalName

internal class NativeIndexerKeyShouldBeStringOrNumberImpl(
    override val kind: String,
    firDiagnostic: KtPsiDiagnostic,
    token: KtLifetimeToken,
) : KtAbstractFirDiagnostic<KtElement>(firDiagnostic, token), KtFirDiagnostic.NativeIndexerKeyShouldBeStringOrNumber

internal class NativeIndexerWrongParameterCountImpl(
    override val parametersCount: Int,
    override val kind: String,
    firDiagnostic: KtPsiDiagnostic,

            }.mapToDelegatedIfRequired()
        }

        private fun DeclarationDescriptor.isDelegatedIfRequired(): Boolean =
            !forDelegatedMembersOnly || this is CallableMemberDescriptor && kind == CallableMemberDescriptor.Kind.DELEGATION

        private inline fun <reified D : DeclarationDescriptor> Collection<D>.mapToDelegatedIfRequired(): Collection<D> {
            if (!forDelegatedMembersOnly) return this

        ?.firstOrNull { selection in it.textRange }

/**
 * How a symbol is imported. The order of the enum entry represents the priority of imports. If a symbol is available from multiple kinds of
 * imports, the symbol from "smaller" kind is used. For example, an explicitly imported symbol can overwrite a star-imported symbol.
 */
private enum class ImportKind {

            ?.unsubstitutedMemberScope
            ?.getContributedClassifier(entryName, NoLookupLocation.FROM_IDE)

        if (entryDescriptor is ClassDescriptor && entryDescriptor.kind == ClassKind.ENUM_ENTRY) {
            return KtFe10DescEnumEntrySymbol(entryDescriptor, analysisContext)
        }

        return null
    }

)

internal fun FirElement.getAllowedPsi() = when (val source = source) {
    null -> null
    is KtRealPsiSourceElement -> source.psi
    is KtFakeSourceElement -> if (source.kind in allowedFakeElementKinds) psi else null
    else -> null
}

fun FirElement.findPsi(): PsiElement? =
    getAllowedPsi()

fun FirBasedSymbol<*>.findPsi(): PsiElement? {