return null;
PrefixHandlerConfig[] prefixHandlers = new PrefixHandlerConfig[list.getLength()];
for(int i = 0; i < list.getLength(); i++) {
Node node = list.item(i);
prefixHandlers[i] = new PrefixHandlerConfig(
DomUtils.getChildElementText((Element)node, "name"),
DomUtils.getChildElementText((Element)node, "handler-class")
);
}