code: public SharedFlowController createSharedFlow( RequestContext context, String sharedFlowClassName )
              throws ClassNotFoundException, InstantiationException, IllegalAccessException
      {
          Class sharedFlowClass = getFlowControllerClass( sharedFlowClassName );
          return createSharedFlow( context, sharedFlowClass );
      }
docs: Create a {@link SharedFlowController} of the given type.
  
  @param context a {@link RequestContext} object which contains the current request and response.
  @param sharedFlowClassName the type name of the desired SharedFlowController.
  @return the newly-created SharedFlowController, or <code>null</code> if none was found.