code: public String compile(JoinableResourceBundle bundle, String content, String path, GeneratorContext context) {
  
  		JawrLessSource source = new JawrLessSource(bundle, content, path, rsHandler);
  		try {
  			CompilationResult result = compiler.compile(source, lessConfig);
  			addLinkedResources(path, context, source.getLinkedResources());
  			return result.getCss();
  		} catch (Less4jException e) {
  			throw new BundlingProcessException("Unable to generate content for resource path : '" + path + "'", e);
  		}
  
  	}
docs: Compile the LESS source to a CSS source
  
  @param bundle
  the bundle
  @param content
  the resource content to compile
  @param path
  the compiled resource path
  @param context
  the generator context
  @return the compiled CSS content