class MavenModelMerger extends org.apache.maven.internal.impl.model.MavenModelMerger {

    /**
     * Merges the specified source object into the given target object.
     *
     * @param target The target object whose existing contents should be merged with the source, must not be
     *            <code>null</code>.
     * @param source The (read-only) source object that should be merged into the target object, may be
     *            <code>null</code>.
     * @param sourceDominant A flag indicating whether either the target object or the source object provides the
     *            dominant data.
     * @param hints A set of key-value pairs that customized merger implementations can use to carry domain-specific
     *            information along, may be <code>null</code>.
     */
    public void merge(
            org.apache.maven.model.Model target,
            org.apache.maven.model.Model source,
            boolean sourceDominant,
            Map<?, ?> hints) {<FILL_FUNCTION_BODY>}
}

        Objects.requireNonNull(target, "target cannot be null");
        if (source == null) {
            return;
        }
        target.update(merge(target.getDelegate(), source.getDelegate(), sourceDominant, hints));
    
<methods>public void <init>() ,public Model merge(Model, Model, boolean, Map<?,?>) <variables>public static final java.lang.String ARTIFACT_ID,public static final java.lang.String CHILD_PATH_ADJUSTMENT