if ( childNode instanceof Element) {
Element childElement = (Element)childNode;
String ref = childElement.getAttribute(refAttribute);
if (!StringUtils.isEmpty(ref)){
// envParamMetadata.
MutableRefMetadata refData = context.createMetadata(MutableRefMetadata.class);
refData.setComponentId(ref);
// createRef(context, ref);
// ((RefMetadataImpl)refData).setComponentId(propName);
envParamMetadata.addEntry(createValue(context, propName), refData);
}
}