override val allFlexible: Boolean get() = false
    override val errorType: Boolean get() = true
    override val definitelyNotNullType: Boolean get() = false
    override val integerLiteralConstantType: Boolean get() = true
    override val intersectionTypesInContravariantPositions: Boolean get() = true

private val FirQualifiedAccessExpression.dispatchedWithoutImport: Boolean
    get() = when {
        isQualifiedWithPackage -> true
        dispatchReceiver is FirThisReceiverExpression -> true
        explicitReceiver != null && dispatchReceiver == explicitReceiver -> true
        else -> false
    }


/**
 * Returns `true` if [this] expression is fully-qualified with package name.
 * Such expressions definitely do not need any kind of imports.

                KtContractConstantValue(
                    when (value) {
                        ConeContractConstantValues.TRUE -> KtContractConstantType.TRUE
                        ConeContractConstantValues.FALSE -> KtContractConstantType.FALSE
                        else -> errorWithAttachment("Can't convert ${value::class} to the Analysis API") {

            ).replaceCollectAllCandidates(true)

            val result = analysisContext.callResolver.resolveFunctionCall(callResolutionContext)
            val candidates = result.allCandidates?.let { analysisContext.overloadingConflictResolver.filterOutEquivalentCalls(it) }
                ?: error("allCandidates is null even when collectAllCandidates = true")

            candidates.flatMap { candidate ->

        }

        val effectiveConfiguration = configuration
            .copy()
            .apply {
                put(JVMConfigurationKeys.DO_NOT_CLEAR_BINDING_CONTEXT, true)
            }

        val disableInline = effectiveConfiguration.getBoolean(CommonConfigurationKeys.DISABLE_INLINE)

                    valueParameter.receiverType?.let { substitutor.substitute(it) }
                )
            }
        )
    }

    override fun equals(other: Any?): Boolean {
        if (this === other) return true
        if (javaClass != other?.javaClass) return false

        other as KtFe10FunctionLikeSignature<*>

        if (backingSymbol != other.backingSymbol) return false

                return false

            Visibilities.Public ->
                return when (val outerClass = this.outerClass) {
                    null -> true
                    else -> outerClass.isVisibleByPsi(useSiteFile)
                }

            JavaVisibilities.PackageVisibility -> {

        is KtReferenceExpression ->
            inner.mainReference
        is KtDotQualifiedExpression ->
            (inner.selectorExpression as? KtReferenceExpression)?.mainReference ?: return true
        else ->
            return true
    }
    val resolution = reference.resolve()
    return resolution != null && resolution !is KtClass
}

/**
 * Invocations of _statically named_ callables is not considered a use. E.g.

    override val psi: PsiElement?
        get() = withValidityAssertion { null }

    override val isDefault: Boolean
        get() = withValidityAssertion { true }

    override val isInline: Boolean
        get() = withValidityAssertion { propertyPsi.hasModifier(KtTokens.OVERRIDE_KEYWORD) }

    override val isOverride: Boolean

    return overriddenDescriptor.returnType?.hasReferenceOtherThan(allowedTypeParameters) == true ||
            overriddenDescriptor.extensionReceiverParameter?.type?.hasReferenceOtherThan(allowedTypeParameters) == true ||
            overriddenDescriptor.valueParameters.any { it.type.hasReferenceOtherThan(allowedTypeParameters) }
}