if (AstUtil.isMethodNamed(mce, "contains")) {
            checkOutputContains(mce)
        } else if (AstUtil.isMethodNamed(mce, "assertOutputContains")) {
            val objectExpr = mce.objectExpression
            checkIndirectOutputContains(objectExpr, mce)
        }
    }

    private
    fun checkOutputContains(call: MethodCallExpression) {
        val receiver = call.receiver!!

        if (AstUtil.isMethodNamed(mce, "contains")) {
            checkOutputContains(mce);
        } else if (AstUtil.isMethodNamed(mce, "assertOutputContains")) {
            Expression objectExpr = mce.getObjectExpression();
            checkIndirectOutputContains(objectExpr, mce);
        }
    }

    private void checkOutputContains(MethodCallExpression call) {
        ASTNode receiver = call.getReceiver();