code: public static void addTagMetaData(ConfigWebImpl cw, lucee.commons.io.log.Log log) {
  	if (true) return;
  
  	PageContextImpl pc = null;
  	try {
  	    pc = ThreadUtil.createPageContext(cw, DevNullOutputStream.DEV_NULL_OUTPUT_STREAM, "localhost", "/", "", new Cookie[0], new Pair[0], null, new Pair[0], new StructImpl(),
  		    false, -1);
  
  	}
  	catch (Throwable t) {
  	    ExceptionUtil.rethrowIfNecessary(t);
  	    return;
  	}
  	PageContext orgPC = ThreadLocalPageContext.get();
  	try {
  	    ThreadLocalPageContext.register(pc);
  
  	    // MUST MOST of them are the same, so this is a huge overhead
  	    _addTagMetaData(pc, cw, CFMLEngine.DIALECT_CFML);
  	    _addTagMetaData(pc, cw, CFMLEngine.DIALECT_LUCEE);
  
  	}
  	catch (Exception e) {
  	    XMLConfigWebFactory.log(cw, log, e);
  	}
  	finally {
  	    pc.getConfig().getFactory().releaseLuceePageContext(pc, true);
  	    ThreadLocalPageContext.register(orgPC);
  	}
      }
docs: load metadata from cfc based custom tags and add the info to the tag
  
  @param cs
  @param config