def METHOD_NAME(self, path):
    """
    Process a request. Send a response or an error (422) if the request was malformed.
    Note that the caller does the actual send operation. This method returns a list
    of the return code and a bit of text for the response.
    :param path: The URL path & query string
    :return: Return a list with the response code and some text. The codes will be either
    the requested code (500, 404, etc.) or 200.
    """
    if path[0] == '/':
        path = path[1:]
    parts = path.split('/')
    if len(parts) < 3:
        return [422, f'The service expected 3 parts to the <path>, but found {len(parts)} - path: {path}, parts: {parts}']
    code = int(parts[0])
    times = int(parts[1])
    text_path = parts[2]
    if type(code) is not int:
        return [422, f'The service expected the "code" to be an integer but got <{code}> - {path}']
    if type(times) is not int:
        return [422, f'The service expected the "times" to be an integer but got <{times}> - {path}']
    if text_path not in self.requests:
        # add info for text_path, count from 0 to N-1
        self.requests[text_path] = [code, 1]
        return [code, f'Response {1} for code {code}.']
    else:
        # update info for text_path
        info = self.requests[text_path]
        # n is stored in info[1]
        if info[1] < times:
            info[1] += 1
            self.requests[text_path] = info
            return [info[0], f'Response {info[1]} for code {info[0]}.']
        else:
            # remove the entry so the same <path> can be used again
            self.requests.pop(text_path)
            return [200, text_path]