code: @Deprecated
      static <U, T, R> BiFunction<U, T, R> indexedd(final IndexedBiFunction<U, T, R> func) {
          return BiFunctions.indexed(func);
      }
docs: Returns a stateful <code>BiFunction</code> which should not be used in parallel stream.
  
  @param func
  @return
  @deprecated replaced by {@code BiFunctions#indexed(IndexedBiFunction)}.