/// <summary>
/// Creates a MemoryInstanceMemento that represents a reference to the default instance
/// of a plugin type.
/// </summary>
/// <returns></returns>
public static MemoryInstanceMemento CreateDefaultInstanceMemento()
{
var memento = new MemoryInstanceMemento();
memento._referenceKey = string.Empty;
memento._isReference = true;
return memento;
}
/// <summary>
/// Creates an instance of MemoryInstanceMemento that represents a reference to another
/// instance.
/// </summary>
/// <param name="referenceKey">The referenced instance key to another instance</param>
/// <returns></returns>
public static MemoryInstanceMemento CreateReferencedInstanceMemento(string referenceKey)
{
var memento = new MemoryInstanceMemento();
memento._referenceKey = referenceKey;
memento._isReference = true;
return memento;
}