return Optional.empty();
        }

        List<MavenProject> sortedProjects = result.getTopologicallySortedProjects();

        boolean hasNoSuccess =
                sortedProjects.stream().noneMatch(project -> result.getBuildSummary(project) instanceof BuildSuccess);

        if (hasNoSuccess) {
            return Optional.empty();
        }

        List<String> remainingProjects = sortedProjects.stream()

    private final List<String> REQUIRED_PLUGINS = Arrays.asList("elasticsearch.build", "elasticsearch.standalone-rest-test");

    @Override
    public void apply(final Project project) {
        if (REQUIRED_PLUGINS.stream().noneMatch(requiredPlugin -> project.getPluginManager().hasPlugin(requiredPlugin))) {
            throw new InvalidUserDataException(

                exclusions.stream().map(ExclusionArtifactFilter::toPredicate).collect(Collectors.toList());
    }

    @Override
    public boolean include(Artifact artifact) {
        return predicates.stream().noneMatch(p -> p.test(artifact));
    }

    private static Predicate<Artifact> toPredicate(Exclusion exclusion) {
        PathMatcher groupId = FileSystems.getDefault().getPathMatcher("glob:" + exclusion.getGroupId());

                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                } finally {
                    doneLatch.countDown();
                }
            });
        }

        startLatch.countDown();
        assertTrue(doneLatch.await(30, TimeUnit.SECONDS));
        executor.shutdown();

        // Drain remaining
        totalDrained.addAndGet(helper.drainAll().size());

                () -> {
                  startLatch.countDown();
                  startLatch.await();
                  callable.call();
                  doneLatch.countDown();
                  return null;
                });
      }
      doneLatch.await();
    } finally {
      executorService.shutdown();
    }
  }

                () -> {
                  startLatch.countDown();
                  startLatch.await();
                  callable.call();
                  doneLatch.countDown();
                  return null;
                });
      }
      doneLatch.await();
    } finally {
      executorService.shutdown();
    }
  }