code: public static ClassName className(String className) {
  		int index = className.lastIndexOf(".");
  		if (index > 0) {
  			return classNameWithSuffix(className.substring(0, index), className.substring(index + 1), "");
  		}
  		return ClassName.get("", className);
  
  	}
docs: Generate class typeName.
  
  @param className
  the class name
  @return class typeName generated