new HashMap<String, Object>(previousAdditionalLocalVariables.size() + 3);
additionalLocalVariables.putAll(previousAdditionalLocalVariables);
final String attributeValue = element.getAttributeValue(attributeName);
final Configuration configuration = arguments.getConfiguration();
final IStandardExpressionParser expressionParser = StandardExpressions.getExpressionParser(configuration);
final VariableExpression varExpression =
(VariableExpression) expressionParser.parseExpression(arguments.getConfiguration(), arguments, attributeValue);