docs: @Nonnull
    public static WebSiteResourceWithCondition createForCSS (@Nonnull final ICSSPathProvider aPP, final boolean bRegular)
    {
      return createForCSS (aPP.getCSSItemPath (bRegular),
                           aPP.getConditionalComment (),
                           aPP.isBundlable (),
                           aPP.getMediaList ());
    }