get() = withValidityAssertion {
            descriptor.containingDeclaration is AnonymousFunctionDescriptor &&
                    descriptor.name == StandardNames.IMPLICIT_LAMBDA_PARAMETER_NAME &&
                    // Implicit lambda parameter doesn't have a source PSI.
                    descriptor.source.getPsi() == null &&

    token = token
)

/**
 * Implicit dispatch receiver is present when an extension function declared in object
 * is imported somewhere else and used without directly referencing the object instance
 * itself:
 *
 * ```kt
 * import Foo.bar
 *
 * object Foo { fun String.bar() {} }
 *
 * fun usage() {
 *   "hello".bar() // this call has implicit 'Foo' dispatch receiver
 * }
 * ```
 */

            return if (psi.valueParameters.isNotEmpty()) {
                psi.valueParameters.map { KtFe10PsiValueParameterSymbol(it, analysisContext) }
            } else {
                // There might be implicit 'it'
                descriptor?.valueParameters.orEmpty().map { KtFe10DescValueParameterSymbol(it, analysisContext) }
            }
        }

    override val hasStableParameterNames: Boolean

        callableSymbol: KtFirSymbol<*>,
        crossinline process: (FirTypeScope, FirDeclaration) -> Unit
    ) {
        containingDeclaration.firSymbol.lazyResolveToPhase(FirResolvePhase.IMPLICIT_TYPES_BODY_RESOLVE)
        val firContainer = containingDeclaration.firSymbol.fir
        val firCallableDeclaration = callableSymbol.firSymbol.fir

        val firSession = callableSymbol.analysisSession.useSiteSession

    override fun getImplicitReceiverSmartCast(expression: KtExpression): Collection<KtImplicitReceiverSmartCast> {
        val bindingContext = analysisContext.analyze(expression)
        val smartCasts = bindingContext[BindingContext.IMPLICIT_RECEIVER_SMARTCAST, expression] ?: return emptyList()
        val call = bindingContext[BindingContext.CALL, expression] ?: return emptyList()