void onCurrentViewersUpdated(long viewers)
viewers- Current number of viewers of the broadcast. This is generally an interesting number during a live broadcast.
void onTotalViewersUpdated(long viewers)
viewers- Total number of viewers of the broadcast. This accumulates over time and is generally a nice number to show for an old broadcast. The counted viewers are not guaranteed to be unique, but there are measures in place to exclude obvious duplicates, eg. replays from a viewer.