comefrom: <gouthampradhan>string_FindTheClosestPalindrome_1.java
code: private String getLow(String s) {
      int n = s.length() - 1;
      StringBuilder sb = new StringBuilder();
      for (int i = 0; i < n; i++) {
        sb.append("9");
      }
      return sb.toString();
    }
masked: private String var_0 ( String var_1 ) {
    int var_2 = var_1 . length ( ) - 1 ;
    StringBuilder var_3 = new StringBuilder ( ) ;
    for ( int var_4 = 0 ;
    var_4 < var_2 ;
    var_4 ++ ) {
      var_3 . append ( "9" ) ;
    }
    return var_3 . toString ( ) ;
  }
  