/// <summary>Create a new key by appending a value to the current subspace</summary>
/// <param name="item">Value that will be appended at the end of the key</param>
/// <returns>Key the correspond to the concatenation of the current subspace's prefix and <paramref name="item"/></returns>
/// <example>tuple.PackBoxed(x) is the non-generic equivalent of tuple.Pack<object>(tuple)</example>
public static Slice PackBoxed(this IFdbSubspace subspace, object item)
{
return(FdbTuple.PackBoxedWithPrefix(subspace.ToFoundationDbKey(), item));
}