session: FirSession,
        analysisSession: KtFirAnalysisSession,
        symbolBuilder: KtSymbolByFirBuilder
    ): Collection<KtSymbol> {
        val lhs = expression.arguments.firstOrNull() ?: return emptyList()
        val scope = lhs.resolvedType.scope(
            session,
            analysisSession.getScopeSessionFor(analysisSession.useSiteSession),
            CallableCopyTypeCalculator.DoNothing,

private inline fun <reified T : KtElement> KtFile.findSmallestElementOfTypeContainingSelection(selection: TextRange): T? =
    findElementAt(selection.startOffset)
        ?.parentsOfType<T>(withSelf = true)
        ?.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

        .sortedWithTypeOfTakingFunctionsFirst()
        .flatMap { function ->

            val candidateFor = object {

                val groovyNamedArgumentsToVarargs =
                    function.parameters.firstOrNull()?.type?.isGroovyNamedArgumentMap == true

                val javaClassToKotlinClass =
                    function.parameters.any { it.type.hasJavaClass() }

                val extension

            if (!forDelegatedMembersOnly) return this
            return map {
                val overridden = (it as CallableMemberDescriptor).overriddenDescriptors.firstOrNull()
                overridden?.newCopyBuilder()
                    ?.setModality(Modality.OPEN)
                    ?.setKind(CallableMemberDescriptor.Kind.DELEGATION)

    override val hasBody: Boolean
        get() = withValidityAssertion { false }

    override val parameter: KtValueParameterSymbol by cached {
        DefaultKtValueParameterSymbol(propertyPsi, descriptor?.valueParameters?.firstOrNull(), analysisContext)
    }

    override val valueParameters: List<KtValueParameterSymbol>
        get() = withValidityAssertion { listOf(parameter) }

    override val hasStableParameterNames: Boolean

    replaceWith = ReplaceWith("body.readUtf8()"),
    level = DeprecationLevel.WARNING,
  )
  fun getUtf8Body(): String = body.readUtf8()

  fun getHeader(name: String): String? = headers.values(name).firstOrNull()

  override fun toString(): String = requestLine

    override val companionObject: KtNamedClassOrObjectSymbol?
        get() = withValidityAssertion {
            val companionObject = psi.companionObjects.firstOrNull() ?: return null
            KtFe10PsiNamedClassOrObjectSymbol(companionObject, analysisContext)
        }

    override val contextReceivers: List<KtContextReceiver>

            throw IllegalStateException("Can't find the contributors section in the release notes $releaseNotes.")
        }

        val contributorSectionEndIndex = (contributorSectionBeginIndex until releaseNotesLines.size).firstOrNull {
            val line = releaseNotesLines[it].trim()
            line.isNotEmpty() && !line.startsWith("[")
        } ?: throw IllegalStateException("Can't find the contributors section end in the release notes $releaseNotes.")

        if (this !is ConeClassLikeType) return null
        if (lookupTag.classId.packageFqName != StandardClassIds.BASE_REFLECT_PACKAGE) return null
        return typeArguments.firstOrNull()?.type
    }

    override fun withNullability(type: KtType, newNullability: KtTypeNullability): KtType {
        require(type is KtFirType)

        val argumentsToParameters = firCall.argumentsToSubstitutedValueParameters(substituteWithErrorTypes = false) ?: return null
        val (firParameterForExpression, substitutedType) =
            argumentsToParameters.entries.firstOrNull { (arg, _) ->
                when (arg) {
                    // TODO: better to utilize. See `createArgumentMapping` in [KtFirCallResolver]
                    is FirNamedArgumentExpression, is FirSpreadArgumentExpression ->