ThreadFactory factory1 = builder.setPriority(1).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());

    ThreadFactory factory2 = builder.setPriority(2).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());
    assertEquals(2, factory2.newThread(monitoredRunnable).getPriority());
  }

  public void testBuildTwice() {
    ThreadFactory unused;

        factory.add(new TestIngester(3));
        Ingester[] ingesters = factory.getIngesters();
        assertEquals(1, ingesters[0].getPriority());
        assertEquals(2, ingesters[1].getPriority());
        assertEquals(3, ingesters[2].getPriority());
    }

    @Test
    public void test_add_2() {
        IngestFactory factory = new IngestFactory();
        factory.add(new TestIngester(3));

    ThreadFactory factory1 = builder.setPriority(1).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());

    ThreadFactory factory2 = builder.setPriority(2).build();
    assertEquals(1, factory1.newThread(monitoredRunnable).getPriority());
    assertEquals(2, factory2.newThread(monitoredRunnable).getPriority());
  }

  public void testBuildTwice() {
    ThreadFactory unused;

     * @param scoreBooster The score booster.
     */
    protected void addScoreBooster(final ScoreBooster scoreBooster) {
        scoreBoosterList.add(scoreBooster);
        scoreBoosterList.sort((b1, b2) -> b2.getPriority() - b1.getPriority());
    }

    /**
     * Gets the priority of this score booster.
     * @return The priority.
     */
    public int getPriority() {
        return priority;
    }

    /**
     * Sets the priority of this score booster.
     * @param priority The priority.
     */
    public void setPriority(final int priority) {
        this.priority = priority;
    }

    /**
     * Sets the request timeout.

    @Override
    public MetadataGenerator newInstance(RepositorySystemSession session, DeployRequest request) {
        return new PluginsMetadataGenerator(session, request);
    }

    @Override
    public float getPriority() {
        return 10; // G level MD should be deployed as 3rd MD
    }

    public MetadataGenerator newInstance(RepositorySystemSession session, DeployRequest request) {
        return new RemoteSnapshotMetadataGenerator(session, request);
    }

    @Override
    public float getPriority() {
        return 30; // GAV level metadata should be deployed 1st MD
    }

    @Override
    public MetadataGenerator newInstance(RepositorySystemSession session, DeployRequest request) {
        return new VersionsMetadataGenerator(session, request);
    }

    @Override
    public float getPriority() {
        return 20; // GA level metadata should be deployed 2nd MD
    }

     *
     * @return the priority value
     */
    public int getPriority() {
        return priority;
    }

    /**
     * Sets the priority of this ingester.
     * Lower numbers indicate higher priority.
     *
     * @param priority the priority value to set
     */
    public void setPriority(final int priority) {
        this.priority = priority;
    }

    /**

                        String name = bean.getKey() instanceof com.google.inject.name.Named n ? n.value() : "";
                        map.compute(name, (n, ob) -> ob == null || ob.getPriority() < b.getPriority() ? b : ob);
                    }
                }
                //noinspection unchecked
                return (Q) map(map, this::getInstance);
            };
        }