code: def get_method_by_name(self, class_name, method_name, method_descriptor):
          
          if class_name in self.classes:
              for method in self.classes[class_name].get_vm_class().get_methods():
                  if method.get_name() == method_name and method.get_descriptor() == method_descriptor:
                      return method
          return None
docs: Search for a :class:`EncodedMethod` in all classes in this analysis
  
          :param class_name: name of the class, for example 'Ljava/lang/Object;'
          :param method_name: name of the method, for example 'onCreate'
          :param method_descriptor: descriptor, for example '(I I Ljava/lang/String)V
          :return: :class:`EncodedMethod` or None if method was not found