code: def register_introspection_functions(self)->None:
          
          self.funcs.update({
              'system.listMethods': self.system_listMethods,
              'system.methodSignature': self.system_methodSignature,
              'system.methodHelp': self.system_methodHelp,
              'system.lenConnections': self.system_lenConnections,
              'system.lenUndoneTasks': self.system_lenUndoneTasks
          })
docs: 注册自省函数到函数字典.