code: @Override
    @NullSafe
    public synchronized void add(T element) {
  
      Optional.ofNullable(element)
        .ifPresent(it -> {
  
          int hashCode = it.hashCode();
          int index = (hashCode % getScale());
  
          BloomFilter<T> bloomFilter = resolveBloomFilter(index);
  
          bloomFilter.add(it);
        });
    }
docs: Adds the given element to the set managed by this {@link BloomFilter}.
  
  @param element {@link Object element} to add to this {@link BloomFilter}.
  @see #accept(Object)