if (leaseKey != null) {
        LeaseEntry entry = leaseManager.getLease(leaseKey);
        return entry != null && entry.hasWriteCache();
    }
    return false;
}

public boolean canCacheHandle() {
    if (leaseKey != null) {
        LeaseEntry entry = leaseManager.getLease(leaseKey);
        return entry != null && entry.hasHandleCache();
    }
    return false;
}
```