@Override
    public boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (!(o instanceof MemorySafeWindowTinyLFUMap)) {
            return false;
        }
        if (!super.equals(o)) {
            return false;
        }
        MemorySafeWindowTinyLFUMap<?, ?> that = (MemorySafeWindowTinyLFUMap<?, ?>) o;
        return maxFreeMemory == that.maxFreeMemory && Objects.equals(cache, that.cache);
    }
whether to full.

@return true if it's full
shenyu-common/src/main/java/org/apache/shenyu/common/cache/MemorySafeWindowTinyLFUMap.java