builder.addBoolean(IMPL_STUBS, "-impl");
builder.addBoolean(GENERATE_ALL, "-all");
builder.addBoolean(ANT_FILE, "-ant");
StringToStringMap excludes = StringToStringMap.fromXml(values.get(EXCLUDE_NAMESPACES));
for (String key : excludes.keySet()) {
String value = excludes.get(key);
if (value.equals("-")) {
builder.addArgs("-b", key);
} else {
builder.addArgs("-b", key + "=" + value);