code: public static ExternalLink newExternalLink(final String linkId, final String url,
  		final String labelId, final String resourceModelKey, final Component component)
  	{
  		return newExternalLink(linkId, url, labelId, resourceModelKey, null, component);
  	}
docs: Creates an external link from the given parameters.
  
  @param linkId
  the link id
  @param url
  the external url
  @param labelId
  the label id
  @param resourceModelKey
  the resource model key
  @param component
  the component
  @return the external link