public static List<String> availableInstances() throws IOException {
  Path confPath=Paths.get(SystemProperties.getConfigurationProxyConfPath());
  return subDirectoryNames(confPath);
}

public static List < String > availableInstances ( ) throws IOException { Path confPath = Paths . get ( SystemProperties . getConfigurationProxyConfPath ( ) ) ; return subDirectoryNames ( confPath ) ; }
gets all existing subdirectory names from the configuration proxy configuration directory , which correspond to the configuration proxy instance ids .
