{
  SlackConfig = {
    type | String,
    webhook_url | String,
    channel | String | optional,
    username | String | optional,
  },

  DiscordConfig = {
    type | String,
    webhook_url | String,
    username | String | optional,
    avatar_url | String | optional,
  },

  TelegramConfig = {
    type | String,
    bot_token | String,
    chat_id | String,
    api_base | String | optional,
  },

  ChannelEntry = {
    type | String,
    ..
  },
}