code: function(config, runtimes) {
  		var up, runtime;
  
  		up = new plupload.Uploader(config);
  		runtime = o.Runtime.thatCan(up.getOption().required_features, runtimes || config.runtimes);
  		up.destroy();
  		return runtime;
  	}
docs: A way to predict what runtime will be choosen in the current environment with the
  specified settings.
  
  @method predictRuntime
  @static
  @param {Object|String} config Plupload settings to check
  @param {String} [runtimes] Comma-separated list of runtimes to check against
  @return {String} Type of compatible runtime