in logger/src/main/scala-sbt-1.0/jetbrains/buildServer/sbtlogger/TCLoggerAppender.scala [30:37]
def appendMessageContent(level: Level, parameter: AnyRef, flowId: String): Unit = {
val message = parameter match {
case o: ObjectEvent[_] => o.message.toString
case o: StringEvent => o.message
case _ => parameter.toString
}
appender.log(level.toString, message, flowId)
}