docs: private CompletableFuture<Boolean> handleProbeRequest(ImmutableMember member) {
      CompletableFuture<Boolean> future = new CompletableFuture<>();
      swimScheduler.execute(() -> {
        LOGGER.trace("{} - Probing {}", localMember.id(), member);
        bootstrapService.getMessagingService().sendAndReceive(
            member.address(), MEMBERSHIP_PROBE, SERIALIZER.encode(Pair.of(localMember.copy(), member)), false, config.getProbeTimeout())
            .whenCompleteAsync((response, error) -> {
              if (error != null) {
                LOGGER.debug("{} - Failed to probe {}", localMember.id(), member);
                future.complete(false);
              } else {
                future.complete(true);
              }
            }, swimScheduler);
      });
      return future;
    }