Expose output for internal logger
Expose output for internal logger

gnodet/test,DALDEI/jline2,msaxena2/jline2,fantasy86/jline2,scala/scala-jline,kaulkie/jline2,cosmin/jline2,ctubbsii/jline2,scala/scala-jline,tkruse/jline2,renew-tgi/jline2