DefaultOptionBuilder obuilder = new DefaultOptionBuilder();
ArgumentBuilder abuilder = new ArgumentBuilder();
GroupBuilder gbuilder = new GroupBuilder();
Option oobOpt = obuilder.withShortName("oob").withRequired(false)
.withDescription("Optional, estimate the out-of-bag error").create();
Option dataOpt = obuilder.withLongName("data").withShortName("d")
.withRequired(true).withArgument(
abuilder.withName("path").withMinimum(1).withMaximum(1).create())