code: @NullSafe
    @SafeVarargs
    public static <T> Set<T> asSet(T... elements) {
      return stream(nullSafeArray(elements)).collect(Collectors.toSet());
    }
docs: Null-safe method to convert the array of elements into a {@link Set}.
  
  @param <T> {@link Class} type of the elements in the array.
  @param elements array of elements to convert into a {@link Set}.
  @return the array of elements as a {@link Set}.
  @see java.util.Set