public static String prettyPrint(Config config) {
    return redact(config.root().withOnlyKey("oryx").render(RENDER_OPTS));
  }
public static String prettyPrint ( Config config ) { return redact ( config . root ( ) . withOnlyKey ( "oryx" ) . render ( RENDER_OPTS ) ) ; }
@param config {@link Config} to print
@return pretty-printed version of config values, excluding those
inherited from the local JVM environment