Type safety improvements.
Type safety improvements.


git-svn-id: eadf48c8a81b20ffe09159f8793fd1998769eafe@610544 13f79535-47bb-0310-9956-ffa450edef68

woonsan/commons-scxml,woonsan/commons-scxml,mohanaraosv/commons-scxml,wmudge/commons-scxml,woonsan/commons-scxml,apache/commons-scxml,apache/commons-scxml,mohanaraosv/commons-scxml,wmudge/commons-scxml,apache/commons-scxml,mohanaraosv/commons-scxml,wmudge/commons-scxml