Kicks off autocompletion that’s monitoring the provided input string, and starts to autocomplete whenever the text is changing.
func autocomplete(_ text: Observable<(String, forced: Bool)>, mapRect: MKMapRect) -> Observable<[TKAutocompletionResult]>
Input text, which should fire when user enters text
Map rect to bias results towards
Stream of autocompletion results. For each input change, it can fire multiple times as more results are found by different providers (i.e., elements in this array).