code: @Nonnull
    public HCConversionSettings setCSSWriterSettings (@Nonnull final ICSSWriterSettings aCSSWriterSettings)
    {
      ValueEnforcer.notNull (aCSSWriterSettings, "CSSWriterSettings");
  
      m_aCSSWriterSettings = new CSSWriterSettings (aCSSWriterSettings);
      return this;
    }
docs: Set the CSS writer settings to be used.
  
  @param aCSSWriterSettings
  The settings. May not be <code>null</code>.
  @return this