val firSymbol = useSiteSession.symbolProvider.getTopLevelCallableSymbols(kotlinPackage, identifier).firstOrNull {
            /* choose (for byte array)
             * public fun byteArrayOf(vararg elements: kotlin.Byte): kotlin.ByteArray
             */
            (it as? FirFunctionSymbol<*>)?.fir?.valueParameters?.singleOrNull()?.isVararg == true
        } as? FirNamedFunctionSymbol ?: return null