code: protected RefMetadata createRef(ParserContext context, String id) {
          MutableRefMetadata idref = context.createMetadata(MutableRefMetadata.class);
          idref.setComponentId(id);
          return idref;
      }
docs: <p>createRef.</p>
  
  @param context a {@link org.apache.aries.blueprint.ParserContext} object.
  @param id a {@link java.lang.String} object.
  @return a {@link org.osgi.service.blueprint.reflect.RefMetadata} object.