Metadata is a wrapper over Map[String, Any] that limits the value type to simple ones: Boolean, Long, Double, String, Metadata, Array[Boolean], Array[Long], Array[Double], Array[String], and Array[Metadata].
Builder for Metadata.
Returns a path to a temporary file that probably does not exist.
Returns a path to a temporary file that probably does not exist. Note, there is always the race condition that someone created this file since the last time we checked. Thus, this shouldn't be used for anything security conscious.