code: public static MavenPluginGeneratedConfigOption mavenConfiguration( String url )
      {
          validateNotEmpty( url, "specified configuration url must not be empty " );
          try
          {
              return mavenConfiguration( new URL( url ) );
          } catch( MalformedURLException mE )
          {
              throw new IllegalArgumentException( "url " + url + " is not a valid url", mE );
          }
      }
docs: Creates a {@link org.ops4j.pax.exam.options.MavenPluginGeneratedConfigOption}.
  
  @param url of configuration to be used
  
  @return Args option with file written from paxexam plugin