code: private static <V> V getUnchecked(Future<V> future) {
      try {
        return future.get();
      } catch (InterruptedException e) {
        Thread.currentThread().interrupt();
        throw Status.CANCELLED
            .withDescription("Call was interrupted")
            .withCause(e)
            .asRuntimeException();
      } catch (ExecutionException e) {
        throw toStatusRuntimeException(e.getCause());
      }
    }
docs: Returns the result of calling {@link Future#get()} interruptibly on a task known not to throw a
  checked exception.
  
  <p>If interrupted, the interrupt is restored before throwing an exception..
  
  @throws java.util.concurrent.CancellationException
  if {@code get} throws a {@code CancellationException}.
  @throws io.grpc.StatusRuntimeException if {@code get} throws an {@link ExecutionException}
  or an {@link InterruptedException}.