@Implementation
  protected PersistableBundle getConfigForSubId(int subId) {
    PersistableBundle persistableBundle = bundles.get(subId);
    if (persistableBundle == null) {
      return new PersistableBundle();
    }
    return persistableBundle;
  }
@Implementation
  protected PersistableBundle getConfigForSubId(int subId) {
    PersistableBundle persistableBundle = bundles.get(subId);
    if (persistableBundle == null) {
      return new PersistableBundle();
    }
    return persistableBundle;
  }
@ Implementation protected PersistableBundle getConfigForSubId ( int subId ) { PersistableBundle persistableBundle = bundles . get ( subId ) ; if ( persistableBundle == null ) { return new PersistableBundle ( ) ; } return persistableBundle ; }
Returns {@link android.os.PersistableBundle} previously set by {@link #setConfigForSubId(int)},
or default values for an invalid {@code subId}.
Returns {