根据类名、方法名和方法描述符查找本地方法实现，如果找不到，则返回None :param class_name: 类名 :param method_name: 方法名 :param method_descriptor: 方法描述符 :return:
(class_name, method_name, method_descriptor)
source not stored for this graph (policy: none)
no outgoing calls
no test coverage detected