Map < String , Object > function ( ) { return null ; }
returns a map of config data passed to js that defines eligible events that can be placed on native views . this should return non-bubbling directly-dispatched event types . returned map should be of the form : `` ontwirl '' : `` registrationname '' : `` ontwirl '' concode_field_sep Map<Class,Map<String,UIProp.Type>> CLASS_PROP_CACHE concode_field_sep Map<String,UIProp.Type> getNativeProps concode_elem_sep Map<String,Object> getExportedViewConstants concode_elem_sep String getName concode_elem_sep void addEventEmitters concode_elem_sep C createCSSNodeInstance concode_elem_sep void receiveCommand concode_elem_sep void updateExtraData concode_elem_sep void onDropViewInstance concode_elem_sep T createViewInstance concode_elem_sep void updateView concode_elem_sep Map<String,Integer> getCommandsMap concode_elem_sep Map<String,UIProp.Type> getNativePropsForClass concode_elem_sep T createView concode_elem_sep Map<String,Object> getExportedCustomBubblingEventTypeConstants