Source
static Future<List<SourceInfo>> getSources() {
var completer = new Completer<List<SourceInfo>>();
_getSources(
(value) { completer.complete(value); });
return completer.future;
}static Future<List<SourceInfo>> getSources() {
var completer = new Completer<List<SourceInfo>>();
_getSources(
(value) { completer.complete(value); });
return completer.future;
}