buf.append("\t-V | --version <version>       <specify api-version>\n");
	public String usage() {		StringBuffer buf = new StringBuffer();		buf.append("\t-i | --input <in>              <multiple allowed>\n");		buf.append("\t-o | --output <outputdir>      [\".\"]\n");		buf.append("\t-n | --name <api name>         <obligatory>\n");		buf.append("\t-V | --version <version>       <specify api-version>\n");		buf.append("\t-v | --verbose                 [off]\n");		return buf.toString();	}