code: private void handleServerVoiceChannel(JsonNode jsonChannel) {
          long channelId = jsonChannel.get("id").asLong();
          api.getServerVoiceChannelById(channelId).map(ServerVoiceChannelImpl.class::cast).ifPresent(channel -> {
              int oldBitrate = channel.getBitrate();
              int newBitrate = jsonChannel.get("bitrate").asInt();
              if (oldBitrate != newBitrate) {
                  channel.setBitrate(newBitrate);
                  ServerVoiceChannelChangeBitrateEvent event =
                          new ServerVoiceChannelChangeBitrateEventImpl(channel, newBitrate, oldBitrate);
  
                  api.getEventDispatcher().dispatchServerVoiceChannelChangeBitrateEvent(
                          (DispatchQueueSelector) channel.getServer(), channel.getServer(), channel, event);
              }
  
              int oldUserLimit = channel.getUserLimit().orElse(0);
              int newUserLimit = jsonChannel.get("user_limit").asInt();
              if (oldUserLimit != newUserLimit) {
                  channel.setUserLimit(newUserLimit);
                  ServerVoiceChannelChangeUserLimitEvent event =
                          new ServerVoiceChannelChangeUserLimitEventImpl(channel, newUserLimit, oldUserLimit);
  
                  api.getEventDispatcher().dispatchServerVoiceChannelChangeUserLimitEvent(
                          (DispatchQueueSelector) channel.getServer(), channel.getServer(), channel, event);
              }
          });
      }
docs: Handles a server voice channel update.
  
  @param jsonChannel The channel data.