import org.apache.maven.artifact.resolver.ResolutionNode;

/**
 * Determines which version of an artifact to use when there are conflicting declarations.
 *
 */
@Deprecated
public interface ConflictResolver {
    String ROLE = ConflictResolver.class.getName();

    /**
     * Determines which of the specified versions of an artifact to use when there are conflicting declarations.
     *
     * @param node1 the first artifact declaration

        }

        if (conflictResolver == null) {
            return null;
        }

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

    public void setUp() throws Exception {
        conflictResolver = (ConflictResolver) container.lookup(ConflictResolver.ROLE, roleHint);

        a1 = createArtifact("a", "1.0");
        a2 = createArtifact("a", "2.0");
        b1 = createArtifact("b", "1.0");
    }

    // protected methods ------------------------------------------------------

    protected ConflictResolver getConflictResolver() {
        return conflictResolver;

 * @since 3.0
 */
@Named("oldest")
@Singleton
@Deprecated
public class OldestConflictResolver implements ConflictResolver {
    // ConflictResolver methods -----------------------------------------------

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

import org.apache.maven.artifact.resolver.ResolutionListener;
import org.apache.maven.artifact.resolver.filter.ArtifactFilter;
import org.apache.maven.repository.legacy.resolver.conflict.ConflictResolver;

/**
 * Artifact collector - takes a set of original artifacts and resolves all of the best versions to use
 * along with their metadata. No artifacts are downloaded.
 *
 */
@Deprecated

 *
 * @since 3.0
 */
@Named("nearest")
@Singleton
@Deprecated
public class NearestConflictResolver implements ConflictResolver {
    // ConflictResolver methods -----------------------------------------------

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

        1 * conflictResolver.select(!null) >> {  args ->
            def details = args[0]
            Collection<ComponentResolutionState> candidates = details.candidates
            def sel = candidates.find { it.id.name == 'b' }
            assert sel
            details.select(sel)
        }
        0 * conflictResolver._

        when:
        def result = resolve()

import org.apache.maven.api.annotations.Nonnull;
import org.eclipse.aether.graph.DependencyNode;
import org.eclipse.aether.util.graph.manager.DependencyManagerUtils;
import org.eclipse.aether.util.graph.transformer.ConflictResolver;

public class DefaultNode extends AbstractNode {

    protected final @Nonnull InternalSession session;
    protected final @Nonnull org.eclipse.aether.graph.DependencyNode node;
    protected final boolean verbose;

     * @see org.apache.maven.artifact.resolver.conflict.ConflictResolverFactory#getConflictResolver(java.lang.String)
     */

    public ConflictResolver getConflictResolver(String type) throws ConflictResolverNotFoundException {
        try {
            return (ConflictResolver) container.lookup(ConflictResolver.ROLE, type);
        } catch (ComponentLookupException exception) {

 *
 * @since 3.0
 */
@Named("farthest")
@Singleton
@Deprecated
public class FarthestConflictResolver implements ConflictResolver {
    // ConflictResolver methods -----------------------------------------------

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