var inst *syntax.IndexExpr // function instantiation, if any
	if iexpr, _ := call.Fun.(*syntax.IndexExpr); iexpr != nil {
		if check.indexExpr(x, iexpr) {
			// Delay function instantiation to argument checking,
			// where we combine type and value arguments for type
			// inference.
			assert(x.mode == value)
			inst = iexpr
		}
		x.expr = iexpr
		check.record(x)
	} else {
		check.exprOrType(x, call.Fun, true)

            }
            result.add(new ClassDetails(matcher.group(1), matcher.group(2), matcher.group(3)))
        }
        return result
    }

    String instrument(String idExpr) {
        return """println("script=" + $idExpr + "=" + getClass().name + "," + getClass().classLoader.getURLs().collect { new File(it.toURI()) })"""
    }

    String simpleBuild(String content = '') {
        """
            ${content}

        unwrapQualified<KtWhileExpressionBase> { whileExpr, cond -> whileExpr.condition == cond } != null

    private fun PsiElement.isIfCondition() =
        unwrapQualified<KtIfExpression> { ifExpr, cond -> ifExpr.condition == cond } != null

    override fun isDefinitelyNull(expression: KtExpression): Boolean =
        getDefiniteNullability(expression) == DefiniteNullability.DEFINITELY_NULL