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The C++ API contains the TrackAPI, which is useful for tracking applications. There isn't a lot of functionality, and the API is minimal in order to accomplish base tasks. It is possible that this API is extended in the future (e.g. later than mid-2015).
The API allows an application to list tracks, trackers (more is needed), and track positions. Using the StorageServer object, the application requests an instance of the TrackAPI