private ArgumentBuilder buildArgs(StringToStringMap values, boolean isWindows) throws IOException {
values.put(OUTPUT, Tools.ensureDir(values.get(OUTPUT), ""));
ArgumentBuilder builder = new ArgumentBuilder(values);
builder.startScript("wstools");
builder.addString(CLASSPATH, "-cp");
builder.addArgs("-config", buildConfigFile(values));
builder.addString(OUTPUT, "-dest");
addToolArgs(values, builder);