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

        assertNotNull(res, "null graph after resolver");
        assertNotNull(res.getVertices(), "no vertices in the resulting graph after resolver");
        assertNotNull(res.getExcidentEdges(v1), "no edges in the resulting graph after resolver");

        assertEquals(4, res.getVertices().size(), "wrong # of vertices in the resulting graph after resolver");

    // ConflictResolver methods -----------------------------------------------

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

    @Override
    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {

    // ConflictResolver methods -----------------------------------------------

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

    @Override
    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        try {

    // ConflictResolver methods -----------------------------------------------

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

    @Override
    public ResolutionNode resolveConflict(ResolutionNode node1, ResolutionNode node2) {
        try {

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 the best versions to use
 * along with their metadata. No artifacts are downloaded.
 */
@Deprecated
@SuppressWarnings("checkstyle:parameternumber")

import org.apache.maven.repository.legacy.resolver.transform.ArtifactTransformation;
import org.apache.maven.repository.legacy.resolver.transform.ArtifactTransformationManager;
import org.apache.maven.repository.legacy.resolver.transform.LatestArtifactTransformation;
import org.apache.maven.repository.legacy.resolver.transform.ReleaseArtifactTransformation;
import org.apache.maven.repository.legacy.resolver.transform.SnapshotTransformation;

        /** The wrapped credential resolver. */
        private final TypicalLoginAssist<String, FessUserBean, FessUser>.CredentialResolver resolver;

        /**
         * Creates a new login credential resolver.
         *
         * @param resolver the credential resolver to wrap
         */
        public LoginCredentialResolver(final CredentialResolver resolver) {
            this.resolver = resolver;
        }

        /**

      <scope>runtime</scope>
    </dependency>
    <dependency>
      <groupId>org.apache.maven.resolver</groupId>
      <artifactId>maven-resolver-connector-basic</artifactId>
    </dependency>
    <dependency>
      <groupId>org.apache.maven.resolver</groupId>
      <artifactId>maven-resolver-transport-file</artifactId>
    </dependency>
    <!-- HTTP/1.1, lowest priority, Java8+ (still must as some ITs force it) -->

 */
package org.apache.maven.artifact.resolver;

import javax.inject.Named;
import javax.inject.Singleton;

/**
 * Artifact collector - takes a set of original artifacts and resolves the best versions to use
 * along with their metadata. No artifacts are downloaded.
 */
@Deprecated
@Named
@Singleton
public class DefaultArtifactCollector extends org.apache.maven.repository.legacy.resolver.DefaultLegacyArtifactCollector

  public void testWhere_typeVariableSelfMapping() {
    TypeResolver resolver = new TypeResolver();
    Type t = aTypeVariable();
    assertEquals(t, resolver.where(t, t).resolveType(t));
  }

  public <T> void testWhere_parameterizedSelfMapping() {
    TypeResolver resolver = new TypeResolver();
    Type t = new TypeCapture<List<T>>() {}.capture();
    assertEquals(t, resolver.where(t, t).resolveType(t));
  }