code: @Nonnull
    public static String getCompressedCSS (@Nonnull final String sOriginalCSS, @Nonnull final ECSSVersion eCSSVersion)
    {
      return getCompressedCSS (sOriginalCSS, eCSSVersion, false);
    }
docs: Get the compressed version of the passed CSS code.
  
  @param sOriginalCSS
  The original CSS code to be compressed.
  @param eCSSVersion
  The CSS version to use.
  @return If compression failed because the CSS is invalid or whatsoever, the
  original CSS is returned, else the compressed version is returned.