ConcurrentObservableSortedList<TKey, TValue>

[adimosh]

A new named ConcurrentObservableSortedList<TKey, TValue> class must be created.

It should mimic the functionality of the SortedList<TKey, TValue> class, but must not inherit from it, or be in any way related to it.

The class must also not introduce any new dependencies to the project.

This class must be thread-safe.