private static void async(String[] args) throws Exception {
        String tikaConfigPath = "";
        String config = "--config=";
        for (String arg : args) {
            if (arg.startsWith(config)) {
                tikaConfigPath = arg.substring(config.length());
                TikaAsyncCLI.main(new String[]{tikaConfigPath});
                return;
            }
        }
        TikaAsyncCLI.main(args);
    }
Password for opening encrypted documents, or <code>null</code>.
tika-app/src/main/java/org/apache/tika/cli/TikaCLI.java