How to use the memoization.model.CacheInfo function in memoization

def cache_info():
        """
        Show statistics information
        :return: a CacheInfo object describing the cache
        """
        with lock:
            return CacheInfo(hits, misses, cache.__len__(), max_size, algorithm,
                             ttl, thread_safe, order_independent, custom_key_maker is not None)

def cache_info():
        """
        Show statistics information
        :return: a CacheInfo object describing the cache
        """
        with lock:
            return CacheInfo(hits, misses, cache.__len__(), max_size, algorithm,
                             ttl, thread_safe, order_independent, custom_key_maker is not None)

def cache_info():
        """
        Show statistics information
        :return: a CacheInfo object describing the cache
        """
        with lock:
            return CacheInfo(0, misses, 0, max_size, algorithm,
                             ttl, thread_safe, order_independent, custom_key_maker is not None)

def cache_info():
        """
        Show statistics information
        :return: a CacheInfo object describing the cache
        """
        with lock:
            return CacheInfo(hits, misses, cache.__len__(), max_size, algorithm,
                             ttl, thread_safe, order_independent, custom_key_maker is not None)

def cache_info():
        """
        Show statistics information
        :return: a CacheInfo object describing the cache
        """
        with lock:
            return CacheInfo(hits, misses, cache.__len__(), max_size, algorithm,
                             ttl, thread_safe, order_independent, custom_key_maker is not None)