public TaskCompletionSource <string> Clear()
 {
     completionSource = new TaskCompletionSource <string>();
     ACPPlaces.Clear();
     completionSource.SetResult("Cleared client side Places data.");
     return(completionSource);
 }
 public TaskCompletionSource <string> Clear()
 {
     taskCompletionSource = new TaskCompletionSource <string>();
     ACPPlaces.Clear();
     taskCompletionSource.SetResult("Successfully cleared the Placed data.");
     return(taskCompletionSource);
 }