if(tools:::.OStype() == "windows") {
importFrom(utils, winProgressBar, getWinProgressBar, setWinProgressBar)
}
importFrom(utils, txtProgressBar, getTxtProgressBar, setTxtProgressBar)
#importFrom(tcltk, tkProgressBar, getTkProgressBar, setTkProgressBar)
export(pbapply, pbsapply, pblapply, pbreplicate,
    startpb, setpb, getpb, closepb, dopb, pboptions)

