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

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.function.Function;
import java.util.stream.Collectors;

/**

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

import java.nio.file.Paths;
import java.util.Collections;

import org.apache.maven.execution.DefaultMavenExecutionRequest;
import org.apache.maven.execution.MavenSession;
import org.apache.maven.model.root.RootLocator;
import org.eclipse.aether.DefaultRepositorySystemSession;

    public void setMirroredRepositories(List<ArtifactRepository> mirroredRepositories) {
        if (mirroredRepositories != null) {
            this.mirroredRepositories = Collections.unmodifiableList(mirroredRepositories);
        } else {
            this.mirroredRepositories = Collections.emptyList();
        }
    }

    @Override
    public boolean isBlocked() {
        return blocked;
    }

    @Override

 */
package org.apache.maven.project;

import java.io.File;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Properties;
import java.util.concurrent.atomic.AtomicInteger;

import org.apache.maven.AbstractCoreMavenComponentTestCase;
import org.apache.maven.execution.MavenSession;

        collector.setSource("SOURCE_PROBLEM2");
        collector.add(null, "PROBLEM2", -1, -1, null);

        collector.setSource("SOURCE_PROBLEM3");
        collector.add(null, "PROBLEM3", -1, -1, null);

        assertEquals("", collector.getProblems().get(0).getSource());
        assertEquals("SOURCE_PROBLEM2", collector.getProblems().get(1).getSource());

        private final int hashCode;

        public CacheKey(List<? extends ClassRealm> extensionRealms) {
            this.extensionRealms =
                    (extensionRealms != null) ? Collections.unmodifiableList(extensionRealms) : Collections.emptyList();

            this.hashCode = this.extensionRealms.hashCode();
        }

        @Override
        public int hashCode() {
            return hashCode;
        }

    }

    protected ResolutionNode createResolutionNode(Artifact artifact) {
        return new ResolutionNode(artifact, Collections.emptyList());
    }

    protected ResolutionNode createResolutionNode(Artifact artifact, ResolutionNode parent) {
        return new ResolutionNode(artifact, Collections.emptyList(), parent);
    }

        try {
            Map<String, ?> options = Collections.singletonMap(ToolchainsReader.IS_STRICT, Boolean.TRUE);

            try {
                toolchains = toolchainsReader.read(toolchainsSource.getInputStream(), options);
            } catch (ToolchainsParseException e) {
                options = Collections.singletonMap(ToolchainsReader.IS_STRICT, Boolean.FALSE);

	// 		// frame will be carried out if no frame is received on the
	// 		// connection. 5 minutes is sufficient time for any idle connection.
	// 		trhttp2.ReadIdleTimeout = 5 * time.Minute
	// 		// PingTimeout is the timeout after which the connection will be closed
	// 		// if a response to Ping is not received.
	// 		trhttp2.PingTimeout = dialTimeout

                return Collections.emptyList();
            }

            @Override
            public List<MavenProject> getAllProjects() {
                return session.getAllProjects();
            }

            @Override
            public List<MavenProject> getSortedProjects() {
                return Collections.singletonList(session.getCurrentProject());
            }