code: public boolean isHandlingCssImage(String cssResourcePath) {
  
  		boolean isHandlingCssImage = false;
  
  		ResourceGenerator generator = resolveResourceGenerator(cssResourcePath);
  		if (generator != null && cssImageResourceGeneratorRegistry.contains(generator)) {
  			isHandlingCssImage = true;
  		}
  
  		return isHandlingCssImage;
  	}
docs: Returns true if the generator associated to the css resource path handle
  also CSS image.
  
  @param cssResourcePath
  the Css resource path
  @return true if the generator associated to the css resource path handle
  also CSS image.