/// <summary>
/// Constructs a new instance of the <see cref="Container"/> class.
/// </summary>
/// <param name="targets">Optional. The target container whose registrations will be used for dependency lookup
/// when <see cref="Resolve(ResolveContext)"/> (and other operations) is called. If not provided, a new
/// <see cref="TargetContainer"/> instance is constructed. This will ultimately be available to inherited types,
/// after construction, through the <see cref="Targets"/> property.</param>
protected Container(IRootTargetContainer targets = null)
{
_scope = new NonTrackingContainerScope(this);
Targets = targets ?? new TargetContainer();
#if !ENABLE_IL_EMIT
_cache = new ConcurrentCache(GetWorker);
#else
_dynCache = DynamicCache.CreateCache(this);
#endif
}
