protected void mergeModel(Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        context.put(ARTIFACT_ID, target.getArtifactId());

        super.mergeModel(target, source, sourceDominant, context);
    }

    @Override
    protected void mergeModel_Name(Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        String src = source.getName();
        if (src != null) {

.1-bin.tar.gz http://archive.apache.org/dist/maven/source/apache-maven-3.0.1-src.zip http://archive.apache.org/dist/maven/source/apache-maven-3.0.1-src.tar.gz Apache Maven 3.0 2010-10-04 3.0 http://archive.apache.org/dist/maven/binaries/apache-maven-3.0-bin.zip http://archive.apache.org/dist/maven/binaries/apache-maven-3.0-bin.tar.gz http://archive.apache.org/dist/maven/source/apache-maven-3.0-src.zip http://archive.apache.org/dist/maven/source/apache-maven-3.0-src.tar.gz https://gitbox.apache.o...

        /**
         * Sets the source of the project to build.
         * This is an alternative to specifying a path, allowing the project to be built from
         * a model source such as a string or input stream.
         *
         * @param source the source of the project
         * @return this builder instance
         */
        public ProjectBuilderRequestBuilder source(Source source) {
            this.source = source;

                public class Source {
                    public Source(String @Nullable [] some) {}
                    public String @Nullable [] nonFinalField = null;
                    public String foo(String @Nullable [] bar) { return "some"; }
                }
            """,
            v2 = """
                public class Source {
                    public Source(String[] some) {}

        // merge implicitly assumes that merge is only called on the same GAV and does not perform any validation here!
        Metadata source = new Metadata();
        source.setArtifactId("source-artifact");
        source.setGroupId("source-group");
        source.setVersion("2.0");
        assertFalse(target.merge(source));
        assertEquals("myArtifact", target.getArtifactId());
        assertEquals("myGroup", target.getGroupId());

        return builder(requireNonNull(request, "request cannot be null"))
                .source(requireNonNull(source, "source cannot be null"))
                .build();
    }

    @Nonnull
    static ModelBuilderRequest build(@Nonnull Session session, @Nonnull ModelSource source) {
        return builder()

     *
     * @param target
     * @param sourceDominant
     * @param source
     * @return InputLocation
     */
    public static InputLocation merge(InputLocation target, InputLocation source, boolean sourceDominant) {
        if (source == null) {
            return target;
        } else if (target == null) {
            return source;
        }

	// S3 extensions
	AmzCopySourceIfModifiedSince   = "x-amz-copy-source-if-modified-since"
	AmzCopySourceIfUnmodifiedSince = "x-amz-copy-source-if-unmodified-since"

	AmzCopySourceIfNoneMatch = "x-amz-copy-source-if-none-match"
	AmzCopySourceIfMatch     = "x-amz-copy-source-if-match"

	AmzCopySource                 = "X-Amz-Copy-Source"
	AmzCopySourceVersionID        = "X-Amz-Copy-Source-Version-Id"

	dm.Lock(id, source)
	time.Sleep(time.Duration(10+(rand.Float32()*50)) * time.Millisecond)
	dm.Unlock(t.Context())

	dm.Lock(id, source)
	time.Sleep(time.Duration(10+(rand.Float32()*50)) * time.Millisecond)
	dm.Unlock(t.Context())

	dm.Lock(id, source)
	time.Sleep(time.Duration(10+(rand.Float32()*50)) * time.Millisecond)
	dm.Unlock(t.Context())

	dm.Lock(id, source)
	time.Sleep(time.Duration(10+(rand.Float32()*50)) * time.Millisecond)

	{
		Header: http.Header{
			"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Algorithm": []string{""},
			"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key":       []string{""},
			"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key-Md5":   []string{""},
		},
		Expected: true,
	}, // 4
	{
		Header: http.Header{
			"X-Amz-Copy-Source-Server-Side-Encryption-Customer-Algorithm": []string{"AES256"},