getChannelConfig(channel = "") {
    const config = this.channels.get(channel);
    if (!config) {
      throw new Error(`Channel configuration "${channel}" not found`);
    }
    return {
      maxRounds: 10,
      role: "",
      ...config,
    };
  }
Get the specific channel configuration.

@param channel The name of the channel.
@throws When the channel configuration is not found.
@returns The channel configuration.