/*
     * @see org.apache.maven.artifact.resolver.conflict.ConflictResolver#resolveConflict(org.apache.maven.artifact.resolver.ResolutionNode,
     *      org.apache.maven.artifact.resolver.ResolutionNode)
     */

    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        try {
            ArtifactVersion version1 = node1.getArtifact().getSelectedVersion();

    /*
     * @see org.apache.maven.artifact.resolver.conflict.ConflictResolver#resolveConflict(org.apache.maven.artifact.resolver.ResolutionNode,
     *      org.apache.maven.artifact.resolver.ResolutionNode)
     */

    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        return node1.getDepth() <= node2.getDepth() ? node1 : node2;
    }

    /*
     * @see org.apache.maven.artifact.resolver.conflict.ConflictResolver#resolveConflict(org.apache.maven.artifact.resolver.ResolutionNode,
     *      org.apache.maven.artifact.resolver.ResolutionNode)
     */

    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        return node1.getDepth() >= node2.getDepth() ? node1 : node2;
    }

    /*
     * @see org.apache.maven.artifact.resolver.conflict.ConflictResolver#resolveConflict(org.apache.maven.artifact.resolver.ResolutionNode,
     *      org.apache.maven.artifact.resolver.ResolutionNode)
     */

    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        try {
            ArtifactVersion version1 = node1.getArtifact().getSelectedVersion();

    }

    protected void assertResolveConflict(
            ResolutionNode expectedNode, ResolutionNode actualNode1, ResolutionNode actualNode2) {
        ResolutionNode resolvedNode = getConflictResolver().resolveConflict(actualNode1, actualNode2);

        assertNotNull(resolvedNode, "Expected resolvable");
        assertEquals(expectedNode, resolvedNode, "Resolution node");
    }

     * @return the artifact declaration to use: <code>node1</code>; <code>node2</code>; or <code>null</code>if
     *         this conflict cannot be resolved
     * @since 3.0
     */
    ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2);

                                resolved == null && j.hasNext(); ) {
                            ConflictResolver conflictResolver = j.next();

                            resolved = conflictResolver.resolveConflict(previous, node);
                        }

                        if (resolved == null) {
                            // TODO add better exception that can detail the two conflicting artifacts

        }

        if (requestType.equals(MetadataResolutionRequestTypeEnum.classpathCompile)) {
            return conflictResolver.resolveConflicts(getGraph(), ArtifactScopeEnum.compile);
        } else if (requestType.equals(MetadataResolutionRequestTypeEnum.classpathRuntime)) {
            return conflictResolver.resolveConflicts(getGraph(), ArtifactScopeEnum.runtime);
        } else if (requestType.equals(MetadataResolutionRequestTypeEnum.classpathTest)) {

    // ------------------------------------------------------------------------------------------
    @Test
    void testCompileResolution() throws Exception {
        MetadataGraph res;

        res = resolver.resolveConflicts(graph, ArtifactScopeEnum.compile);

        assertNotNull(res, "null graph after resolver");
        assertNotNull(res.getVertices(), "no vertices in the resulting graph after resolver");

     * @param scope scope for which the graph should be resolved
     *
     * @return resulting "clean" graph for the specified scope
     *
     * @since 3.0
     */
    MetadataGraph resolveConflicts(MetadataGraph graph, ArtifactScopeEnum scope)
            throws GraphConflictResolutionException;