}
    override val valueParameters: List<KtVariableLikeSignature<KtValueParameterSymbol>> by cached {
        firSymbol.fir.valueParameters.map { firValueParameter ->
            KtFirVariableLikeSubstitutorBasedSignature(token, firValueParameter.symbol, firSymbolBuilder, coneSubstitutor)
        }
    }

    override fun substitute(substitutor: KtSubstitutor): KtFirFunctionLikeSignature<S> = withValidityAssertion {