if (servers == null) {
            servers = new ArrayList<>();
        }

        return servers;
    }

    public ArtifactResolutionRequest setMirrors(List<Mirror> mirrors) {
        this.mirrors = mirrors;

        return this;
    }

    public List<Mirror> getMirrors() {
        if (mirrors == null) {
            mirrors = new ArrayList<>();
        }

        return mirrors;
    }

    }

    private Collection<Artifact> replacePom(Collection<Artifact> artifacts) {
        List<Artifact> consumers = new ArrayList<>();
        List<Artifact> mains = new ArrayList<>();
        for (Artifact artifact : artifacts) {
            if ("pom".equals(artifact.getExtension()) || artifact.getExtension().startsWith("pom.")) {

    public TaskSegment(boolean aggregating) {
        this.aggregating = aggregating;
        tasks = new ArrayList<>();
    }

    public TaskSegment(boolean aggregating, Task... tasks) {
        this.aggregating = aggregating;
        this.tasks = new ArrayList<>(Arrays.asList(tasks));
    }

    @Override
    public String toString() {
        return getTasks().toString();
    }

        }

        return Collections.unmodifiableList(new ArrayList<>(versions));
    }

    public void setReaders(Collection<WorkspaceReader> readers) {
        requireNonNull(readers, "readers");
        // skip possible null entries
        this.readers = Collections.unmodifiableList(
                new ArrayList<>(readers.stream().filter(Objects::nonNull).collect(Collectors.toList())));

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.artifact.resolver;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Set;

import org.apache.maven.artifact.Artifact;

     */
    public static <T> Result<Iterable<T>> newResultSet(Iterable<? extends Result<? extends T>> results) {
        boolean hasErrors = false;
        List<T> modelsList = new ArrayList<>();
        List<ModelProblem> problemsList = new ArrayList<>();

        for (Result<? extends T> result : results) {
            modelsList.add(result.get());

            for (ModelProblem modelProblem : result.getProblems()) {

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.project;

import java.util.ArrayList;
import java.util.List;

import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.model.Model;
import org.apache.maven.model.Repository;

/**

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.lifecycle.internal.stub;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.apache.maven.execution.AbstractExecutionListener;
import org.apache.maven.execution.DefaultMavenExecutionRequest;

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.internal.aether;

import javax.inject.Inject;

import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Properties;

import org.apache.maven.artifact.InvalidRepositoryException;

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;

import org.apache.maven.api.Session;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**