*/
    private static Map<String, Expression> parseExpressionDocumentation(InputStream docStream)
            throws IOException, XmlPullParserException {
        ParamdocXpp3Reader paramdocReader = new ParamdocXpp3Reader();

        ExpressionDocumentation documentation = paramdocReader.read(docStream, true);

        List<Expression> expressions = documentation.getExpressions();