if (sbase.getExtension(getNamespaceURI()) != null) {
reqSBase = (ReqSBasePlugin) sbase.getExtension(getNamespaceURI());
} else {
reqSBase = new ReqSBasePlugin(sbase);
sbase.addExtension(getNamespaceURI(), reqSBase);
}
if (elementName.equals(ReqConstants.listOfChangedMaths))
{
return reqSBase.getListOfChangedMaths();