/**
 * a private contract between the toolchains plugin and the components.
 */
public interface ToolchainPrivate extends Toolchain {

    /**
     * Let the toolchain decide if it matches requirements defined
     * in the toolchain plugin configuration.
     * @param requirements Map<String, String> key value pair, may not be {@code null}

 * under the License.
 */
package org.apache.maven.api.services.model;

import java.util.function.Supplier;

import org.apache.maven.api.services.Source;

/**
 * Caches auxiliary data used during model building like already processed raw/effective models. The data in the cache
 * is meant for exclusive consumption by the model builder and is opaque to the cache implementation. The cache key is

    ProjectBuildingResultWithLocationMatcher(int columnNumber, int lineNumber) {
        this.columnNumber = columnNumber;
        this.lineNumber = lineNumber;
    }

    @Override
    public boolean matches(Object o) {
        if (!(o instanceof ProjectBuildingResult)) {
            return false;
        }

        final ProjectBuildingResult r = (ProjectBuildingResult) o;

        return r.getProblems().stream()

import java.util.List;

import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.ProjectDependencyGraph;
import org.apache.maven.project.MavenProject;

/**
 * A build context that matches a Maven project to a given task segment, and the session to be used.
 * <p>
 * A note to the reader;
 * </p>
 * <p>
 * There are several issues/discussions regarding how "aggregator" plugins should be handled.

        runITsTasks[stageId] = {
            node('s390x') {
                stage("${stageLabel}") {
                    echo "NODE_NAME = ${env.NODE_NAME}"
                    // on Windows, need a short path or we hit 256 character limit for paths
                    // using EXECUTOR_NUMBER guarantees that concurrent builds on same agent
                    // will not trample each other plus workaround for JENKINS-52657

    <p>With {@code jdk} toolchain, for example, instead of being stuck with the JDK used to run Maven, all plugins can use
    the same other JDK instance without hardcoding absolute paths into the {@code pom.xml}
    and without configuring every plugin that require path to JDK tools.</p>

    @see <a href="/guides/mini/guide-using-toolchains.html">Guide to Using Toolchains</a>
    ]]></description>

  <defaults>
    <default>

                LocalRepositoryManager lrm = session.getLocalRepositoryManager();
                String path = lrm.getPathForLocalArtifact(artifactRequest.getArtifact());
                artifact.setFile(new File(lrm.getRepository().getBasedir(), path));

                RepositorySystem repoSystem = container.lookup(RepositorySystem.class);

     * followed by the specified path elements.
     *
     * @param paths the path to format as a tool option
     * @return the option associated to this path type followed by the given path elements,
     *         or an empty string if there is no path element
     * @throws IllegalStateException if no option is associated to this path type
     */
    @Nonnull
    @Override

        MavenProject project;
        Path file = Paths.get("src/test/resources/consumer/trivial/child/pom.xml");
        try (InputStream inputStream = Files.newInputStream(file)) {
            org.apache.maven.model.Model model =
                    new org.apache.maven.model.Model(new MavenStaxReader().read(inputStream));
            project = new MavenProject(model);
            project.setRootDirectory(Paths.get("src/test/resources/consumer/trivial"));

                    Artifact artifact = session.getArtifact(result.getArtifact());
                    Path path = result.getArtifact().getFile().toPath();
                    artifactManager.setPath(artifact, path);
                    paths.put(artifact, path);
                }
            }
            return () -> paths;
        } catch (ArtifactResolutionException e) {