set { _cache.AddOrUpdate(key, newValue => Add(value), (x, oldValue) => Update(oldValue, value)); }
_cache.AddOrUpdate(new PublicKey(key), newValue => Add(value), (x, oldValue) => Update(oldValue, value));
if (Equals(oldValue, value)) {
return(newType == typeof(long) && oldValue is int i?BoxInt64(i) : base.ConvertConstant(oldValue, newType));