public boolean render(Writer writer) throws java.io.IOException {
        if (owner.getTrace().getLevel()!=0) {
            XMLWriter xmlWriter=XMLWriter.from(writer);
            xmlWriter.openTag("meta").attribute("type",ID);
            TraceNode traceRoot=owner.getModel().getExecution().trace().traceNode().root();
            traceRoot.accept(new XmlRenderer.RenderingVisitor(xmlWriter, owner.getStartTime()));
            xmlWriter.closeTag();
        }
        return true;
    }
Returns a short string description of this (includes the first few messages only, and no newlines)
container-search/src/main/java/com/yahoo/search/query/context/QueryContext.java