code: @Nonnull
    public static WebSiteResourceWithCondition createForCSS (@Nonnull final ICSSPathProvider aPP, final boolean bRegular)
    {
      return createForCSS (aPP.getCSSItemPath (bRegular),
                           aPP.getConditionalComment (),
                           aPP.isBundlable (),
                           aPP.getMediaList ());
    }
docs: Factory method for CSS resources.
  
  @param aPP
  The path provider.
  @param bRegular
  <code>true</code> for regular version, <code>false</code> for the
  minified/optimized version.
  @return New {@link WebSiteResourceWithCondition} object. Never
  <code>null</code>.