docs: public static boolean containsPackedBootstrap(File jarFile) {
  		try (JarFile jFile = new JarFile(jarFile)) {
  			final ZipEntry jEntry = jFile.getEntry(SREConstants.SERVICE_SRE_BOOTSTRAP);
  			if (jEntry != null) {
  				try (InputStream is = jFile.getInputStream(jEntry)) {
  					try (BufferedReader reader = new BufferedReader(new InputStreamReader(is))) {
  						String line = reader.readLine();
  						if (line != null) {
  							line = line.trim();
  							if (!line.isEmpty()) {
  								return true;
  							}
  						}
  					}
  				}
  			}
  		} catch (IOException exception) {
  			//
  		}
  		return false;
  	}