return bits.OnesCount64(uint64(t)) == 1
}

// FromUint64 will set a mask to the uint64 value.
func (t *Mask) FromUint64(m uint64) {
	*t = Mask(m)
}

// Merge will merge other into t.
func (t *Mask) Merge(other Mask) {
	*t |= other
}

// MergeMaskable will merge other into t.
func (t *Mask) MergeMaskable(other Maskable) {
	*t |= Mask(other.Mask())
}

// SetIf will add other if b is true.

    /**
     * Convenience method to merge two XML nodes using default settings.
     */
    @Nullable
    public static XmlNode merge(XmlNode dominant, XmlNode recessive) {
        return merge(dominant, recessive, null);
    }

    /**
     * Merges two XML nodes.
     */
    @Nullable
    public static XmlNode merge(

        Model merged = mavenMerger.merge(target, source, true, null);
        assertEquals(
                "SOURCE",
                merged.getArtifactId(),
                "Expected merged artifactId to be SOURCE but was " + merged.getArtifactId());

        merged = mavenMerger.merge(target, source, false, null);
        assertEquals(
                "TARGET",

type ReplicationLatency struct {
	// Single & Multipart PUTs latency
	UploadHistogram LastMinuteHistogram
}

// Merge two replication latency into a new one
func (rl ReplicationLatency) merge(other ReplicationLatency) (newReplLatency ReplicationLatency) {
	newReplLatency.UploadHistogram = rl.UploadHistogram.Merge(other.UploadHistogram)
	return newReplLatency
}

// Get upload latency of each object size range

                    );

            UpgradeResult merged = result1.merge(result2);

            assertTrue(merged.success(), "Merged result should be successful");
            assertEquals(2, merged.processedPoms().size(), "Should merge processed POMs");
            assertEquals(2, merged.modifiedPoms().size(), "Should merge modified POMs");

    }

    @Override
    public void merge(org.apache.maven.repository.legacy.metadata.ArtifactMetadata metadata) {
        // TODO not sure that it should assume this, maybe the calls to addMetadata should pre-merge, then artifact
        // replaces?
        AbstractRepositoryMetadata repoMetadata = (AbstractRepositoryMetadata) metadata;
        this.metadata.merge(repoMetadata.getMetadata());
    }

    @Override

     * </ul>
     *
     * @param item1 The first SuggestItem (base item)
     * @param item2 The second SuggestItem (item to merge in)
     * @return A new merged SuggestItem
     * @throws IllegalArgumentException if item IDs don't match
     */
    public static SuggestItem merge(final SuggestItem item1, final SuggestItem item2) {
        if (!item1.getId().equals(item2.getId())) {

    }

    /**
     * @deprecated use {@link XmlService#merge(XmlNode, XmlNode, Boolean)} instead
     */
    @Deprecated(since = "4.0.0", forRemoval = true)
    default XmlNode merge(@Nullable XmlNode source) {
        return XmlService.merge(this, source);
    }

    /**
     * @deprecated use {@link XmlService#merge(XmlNode, XmlNode, Boolean)} instead
     */

        SuggestItem merged = SuggestItemMerger.merge(item1, item2);

        assertEquals("test text", merged.getText());
    }

    @Test
    public void testMerge_preservesId() {
        SuggestItem item1 = createItem("text", 10L, 5L, 1.0f);
        SuggestItem item2 = createItem("text", 20L, 15L, 2.0f);

        SuggestItem merged = SuggestItemMerger.merge(item1, item2);

        add.forEach((name, node) -> org.merge(name, node, this::merge));
        return org;
    }

    private BuildStep merge(BuildStep node1, BuildStep node2) {
        node1.predecessors.addAll(node2.predecessors);
        node1.successors.addAll(node2.successors);
        node2.mojos.forEach((k, v) -> node1.mojos.merge(k, v, this::mergeMojos));
        return node1;
    }