docs: public static void createAndRegister(String agentEndpoint) throws MalformedURLException {
      synchronized (monitor) {
        checkState(handler == null, "Instana exporter is already registered.");
        Handler newHandler = new InstanaExporterHandler(new URL(agentEndpoint));
        handler = newHandler;
        register(Tracing.getExportComponent().getSpanExporter(), newHandler);
      }
    }