question: returns the named instance of an asyncrenderer if it already exists otherwise it returns null . concode_field_sep int MAX concode_elem_sep Log log concode_elem_sep Map groupMap concode_elem_sep int ON_DEMAND concode_elem_sep int INTERVAL concode_elem_sep int MIN concode_elem_sep int DELAY concode_elem_sep RenderHub renderHub concode_elem_sep ContextDestroyedListener shutdownListener concode_field_sep void removeRenderer concode_elem_sep ScheduledThreadPoolExecutor getScheduledService concode_elem_sep void relayRender concode_elem_sep IntervalRenderer getIntervalRenderer concode_elem_sep DelayRenderer getDelayRenderer concode_elem_sep OnDemandRenderer getOnDemandRenderer concode_elem_sep void requestRender concode_elem_sep void dispose
target: AsyncRenderer function ( String arg0 ) { if ( arg0 == null ) { return null ; } return ( AsyncRenderer ) groupMap . get ( arg0 ) ; }