if (unsubstitutedKtSignature.symbol !is KaVariableLikeSymbol) return null
                val rhs = fir.rValue.psi as? KtExpression
                @Suppress("UNCHECKED_CAST") // safe because of the above check on targetKtSymbol
                KaSimpleVariableAccessCall(
                    partiallyAppliedSymbol as KaPartiallyAppliedVariableSymbol<KaVariableLikeSymbol>,