code: @Nonnull
    public final HttpClientFactory setRetries (@Nonnegative final int nRetries)
    {
      ValueEnforcer.isGE0 (nRetries, "Retries");
      m_nRetries = nRetries;
      return this;
    }
docs: Set the number of internal retries.
  
  @param nRetries
  Retries to use. Must be &ge; 0.
  @return this for chaining
  @since 9.0.0