*/
    public <T> StandardCrawlerContainer singleton(final String name, final T instance) {
        return singleton(name, instance, null, null);
    }

    /**
     * A holder for a component instance and its associated destroyer function.
     * This class manages the lifecycle of a component, including its destruction.
     *
     * @param <T> the type of the component
     */

				"application/vnd.oma.poc.optimized-progress-report+xml",
				"application/vnd.oma.xcap-directory+xml",
				"application/vnd.omads-email+xml",
				"application/vnd.omads-file+xml",
				"application/vnd.omads-folder+xml",
				"application/vnd.omaloc-supl-init",
				"application/vnd.openofficeorg.extension",
				"application/vnd.openxmlformats-officedocument.presentationml.presentation",

  <mime-type type="application/vnd.oma.xcap-directory+xml"/>
  <mime-type type="application/vnd.omads-email+xml"/>
  <mime-type type="application/vnd.omads-file+xml"/>
  <mime-type type="application/vnd.omads-folder+xml"/>
  <mime-type type="application/vnd.omaloc-supl-init"/>

  <mime-type type="application/vnd.openofficeorg.extension">
    <sub-class-of type="application/zip"/>
    <glob pattern="*.oxt"/>
  </mime-type>