/// <summary>
/// Determines whether the specified id has any values in the casche at all
/// </summary>
/// <param name="id">The identifier.</param>
/// <returns>
/// <c>true</c> if if the cache has any value for the id; otherwise, <c>false</c>.
/// </returns>
public bool HasAnyValue(string id)
{
return(_cache.Any(x => x.Key.StartsWith($"{id}{_idTypeSeparator}")));
}