code: @Override
  	protected void resetCache() {
  		super.resetCache();
  		cacheProperties.put(JawrConstant.SASS_GENERATOR_URL_MODE,
  				useAbsoluteURL ? SASS_GENERATOR_ABSOLUTE_URL_MODE : SASS_GENERATOR_RELATIVE_URL_MODE);
  	}
docs: /*
  (non-Javadoc)
  
  @see
  net.jawr.web.resource.bundle.generator.AbstractCachedGenerator#resetCache
  ()