case classClickhouseIndexingException(msg: String, cause: Throwable, payload: Seq[String], table: String) extends RuntimeException with Product with Serializable
case classFlushFailure(ex: Throwable, count: Int, payload: Seq[String]) extends Product with Serializable
case classFlushSuccess(result: String, count: Int) extends Product with Serializable
case classInsert(table: String, jsonRow: String) extends Product with Serializable
case classRequest(size: Int) extends Product with Serializable
case classSend(req: String, attempts: Int) extends Product with Serializable