in rides-android/src/main/java/com/uber/sdk/android/rides/internal/RideRequestButtonController.java [237:246]
private void cancelAllPending() {
pendingDelegate.finish();
if (timeEstimateCall != null) {
timeEstimateCall.cancel();
}
if (priceEstimateCall != null) {
priceEstimateCall.cancel();
}
}