fetch Publication Navigation
abstract fun fetchPublicationNavigation(onSuccess: (ReaderPublicationNavigation) -> Unit, onError: (ColibrioException) -> Unit)
Fetches the ReaderPublicationNavigation of this publication.
If successful, onSuccess will be called. Otherwise onError will be called.
Fetches the ReaderPublicationNavigation of this publication.
Return
Either ColibrioResult.Success with the result, or ColibrioResult.Error containing the error.