code: private Element addRoot(Document document,
  			Map<ReportBuilderImpl.ReportKey, Object> reportsData) {
  		Element rootElement = document.createElement("project");
  		if (reportsData.containsKey(ReportKey.PROJECT_NAME)) {
  			rootElement.setAttribute("name",
  					(String) reportsData.get(ReportKey.PROJECT_NAME));
  		}
  		document.appendChild(rootElement);
  		return rootElement;
  	}
docs: Adds root element.