/// <summary>
/// Create service
/// </summary>
/// <param name="name"></param>
/// <param name="outer"></param>
public ItemContainer(string name, MemoryDatabase outer)
{
Name = name ?? throw new ArgumentNullException(nameof(name));
_outer = outer;
}
/// <summary>
/// Create database
/// </summary>
/// <param name="queryEngine"></param>
public ItemContainerDatabase(MemoryDatabase queryEngine)
{
_outer = queryEngine;
}