static ArtifactInstallerRequest build(Session session, Collection<ProducedArtifact> artifacts) {
        return builder()
                .session(requireNonNull(session, "session cannot be null"))
                .artifacts(requireNonNull(artifacts, "artifacts cannot be null"))
                .build();
    }

    @NotThreadSafe
    class ArtifactInstallerRequestBuilder {
        Session session;
        RequestTrace trace;

    /**
     * <b>Warning</b>: ignored (always return <code>null</code>).
     */
    @Override
    public Logger getChildLogger(String name) {
        return null;
    }

    @Override
    public String getName() {
        return logger.getName();
    }

    private void setMdc() {
        if (projectId != null && ProjectBuildLogAppender.getProjectId() == null) {

        LinkedHashSet<String> totalPhaseSet = new LinkedHashSet<>();
        if (defaultLifecycles != null) {
            for (String phase : getDistinctPhasesInOrderOfExecutionPlanAppearance(planItem)) {
                final Lifecycle lifecycle = defaultLifecycles.get(phase);
                if (lifecycle != null) {
                    totalPhaseSet.addAll(lifecycle.getPhases());
                }
            }
        }

    assertThat(callbacks.remove()).isEqualTo(Event(null, null, "third event"))
  }

  @Test
  fun nakedFieldNames() {
    consumeEvents(
      """
      |data
      |
      |data
      |data
      |
      |data:
      |
      """.trimMargin(),
    )
    assertThat(callbacks.remove()).isEqualTo(Event(null, null, ""))

        assertActivation(false, p, newContext(null, null));

        p = p.withActivation(Activation.newInstance());

        assertActivation(false, p, newContext(null, null));
    }

    @Test
    void testWithNameOnlyUserProperty() throws Exception {
        Profile profile = newProfile("prop", null);

        assertActivation(true, profile, newContext(newProperties("prop", "value"), null));

  public void testCount_nullAbsent() {
    assertEquals("multiset.count(null) didn't return 0", 0, getMultiset().count(null));
  }

  @CollectionFeature.Require(absent = ALLOWS_NULL_QUERIES)
  public void testCount_null_forbidden() {
    assertThrows(NullPointerException.class, () -> getMultiset().count(null));
  }

  @CollectionSize.Require(absent = ZERO)
  @CollectionFeature.Require(ALLOWS_NULL_VALUES)

        versioning.setLastUpdatedTimestamp(timestamp);

        if (recessive.getVersioning() != null) {
            if (versioning.getLatest() == null) {
                versioning.setLatest(recessive.getVersioning().getLatest());
            }
            if (versioning.getRelease() == null) {
                versioning.setRelease(recessive.getVersioning().getRelease());
            }

                            "title": "Email",
                            "anyOf": [{"type": "string"}, {"type": "null"}],
                        },
                        "full_name": {
                            "title": "Full Name",
                            "anyOf": [{"type": "string"}, {"type": "null"}],
                        },
                        "disabled": {
                            "title": "Disabled",

                    val someVal: String? = null
                    var someVar: String? = null
                    fun foo(): String? = null
                }
            """
        ) {
            assertHasErrors(
                "Method com.example.Source.foo(): From non-null returning to null returning breaking change.",
                "Method com.example.Source.getSomeVal(): From non-null returning to null returning breaking change.",

                null, null, null))
        .addEqualityGroup(
            Tables.<String, @Nullable Object, @Nullable Object>immutableCell("bar", null, null))
        .addEqualityGroup(
            Tables.<@Nullable Object, Integer, @Nullable Object>immutableCell(null, 2, null))
        .addEqualityGroup(
            Tables.<@Nullable Object, @Nullable Object, Character>immutableCell(null, null, 'b'))