code: @Nonnull
    public FineUploader5Validation setItemLimit (@Nonnegative final int nItemLimit)
    {
      ValueEnforcer.isGE0 (nItemLimit, "ItemLimit");
      m_nValidationItemLimit = nItemLimit;
      return this;
    }
docs: Maximum number of items that can be potentially uploaded in this session.
  Will reject all items that are added or retried after this limit is
  reached.
  
  @param nItemLimit
  Minimum size limit. 0 == unlimited
  @return this for chaining