fun render(file: File, packageName: String) {
        val convertArgumentFunctionCallConversion = HLFunctionCallConversion(
            "$CONVERT_ARGUMENT({0}, firSymbolBuilder)",
            callType = Any::class.createType(nullable = true)
        )
        val convertersMap = FirToKtConversionCreator.getAllConverters(convertArgumentFunctionCallConversion)
        file.writeToFileUsingSmartPrinterIfFileContentChanged { generate(packageName, convertersMap) }

            // the majority of tests fail because metadata of each interface will have a flag set, compared to Kapt3.
            jvmDefaultMode = JvmDefaultMode.DISABLE,
            stringTable,
            null,
            null
        )
        return FirElementSerializer.createTopLevel(
            firSession,
            scopeSession,

            Errors.MIXING_NAMED_AND_POSITIONED_ARGUMENTS,
            Errors.NAMED_PARAMETER_NOT_FOUND,
            Errors.NAMED_ARGUMENTS_NOT_ALLOWED,
            Errors.VARARG_OUTSIDE_PARENTHESES,
            Errors.SPREAD_OF_NULLABLE,
            Errors.SPREAD_OF_LAMBDA_OR_CALLABLE_REFERENCE,
            Errors.MANY_LAMBDA_EXPRESSION_ARGUMENTS,
            Errors.UNEXPECTED_TRAILING_LAMBDA_ON_A_NEW_LINE,
            Errors.TOO_MANY_ARGUMENTS,

        val type = getExpectedType(binaryExpression) ?: getElvisOperandExpectedTypeByOtherOperand(expression, binaryExpression)

        return type?.applyIf(expression == binaryExpression.left) { withNullability(ConeNullability.NULLABLE) }
    }

    private fun getElvisOperandExpectedTypeByOtherOperand(operand: KtExpression, elvisExpression: KtBinaryExpression): KtType? {
        val leftOperand = elvisExpression.left ?: return null