dispose method
void
dispose()
Implementation
void dispose() {
commonLogger.i('dispose');
if (videoStrategyContext != null) {
videoStrategyContext!.roomContext.removeEventCallback(roomEventsCallback);
}
_disposed = true;
_subStreamSubscriptions.clear();
_mainStreamSubscriptions.clear();
for (var element in _renderCache) {
element.dispose();
}
_renderCache.clear();
_renderAvailableEvent.close();
}