import org.apache.maven.api.services.ModelProblemCollector;
import org.apache.maven.api.spi.ModelParserException;

/**
 * Collects problems that are encountered during model building. The primary purpose of this component is to account for
 * the fact that the problem reporter has/should not have information about the calling context and hence cannot provide

import java.util.List;

import org.apache.maven.api.model.InputLocation;

/**
 * Collects problems that are encountered during model building. The primary purpose of this component is to account for
 * the fact that the problem reporter has/should not have information about the calling context and hence cannot provide

                testPlugin = plugin;
            }

            Integer count = validPluginCounts.get(pluginArtifactId);

            assertEquals(0, (int) count, "Multiple copies of plugin: " + pluginArtifactId + " found in POM.");

            count = count + 1;

            validPluginCounts.put(pluginArtifactId, count);
        }

        assertNotNull(testPlugin);

     * @param root the root node of the dependency graph
     * @param count estimated number of dependencies
     */
    DefaultDependencyResolverResult(List<Exception> exceptions, Node root, int count) {
        this.exceptions = exceptions;
        this.root = root;
        nodes = new ArrayList<>(count);
        paths = new ArrayList<>(count);
        dispatchedPaths = new LinkedHashMap<>();

        requireNonNull(pluginBindings);
        final int len = pluginBindings.length;
        if (len < 2 || len % 2 != 0) {
            throw new IllegalArgumentException("Plugin bindings must have more than 0, even count of elements");
        }

        HashMap<String, LifecyclePhase> lifecyclePhaseBindings = new HashMap<>(len / 2);
        for (int i = 0; i < len; i = i + 2) {

            if (degreeOfConcurrency > 1) {
                logger.info("");
                logger.info(String.format(
                        "Using the %s implementation with a thread count of %d",
                        builder.getClass().getSimpleName(), degreeOfConcurrency));
            }
            builder.build(session, reactorContext, projectBuilds, taskSegments, reactorBuildStatus);

        Map<String, String> props = new HashMap<>();
        int count = entropy.nextInt(10);
        for (int i = 0; i < count; i++) {
            props.put("name" + Long.toHexString(entropy.nextLong()), "value" + Long.toHexString(entropy.nextLong()));
        }
        count = entropy.nextInt(3);
        List<Repository> repos = new ArrayList<>();
        for (int i = 0; i < count; i++) {
            Repository r = Repository.newBuilder()

     * @param root the root node of the dependency graph
     * @param count estimated number of dependencies
     */
    DefaultDependencyResolverResult(List<Exception> exceptions, Node root, int count) {
        this.exceptions = exceptions;
        this.root = root;
        nodes = new ArrayList<>(count);
        paths = new ArrayList<>(count);
        dispatchedPaths = new LinkedHashMap<>();

    // 5) Execute AbstractLifecycleParticipant.afterSessionStart(session)
    //
    // 6) Get reactor projects looking for general POM errors
    //
    // 7) Create ProjectDependencyGraph using trimming which takes into account --projects and reactor mode.
    // This ensures that the projects passed into the ReactorReader are only those specified.
    //

          <version>4.0.0+</version>
          <description>
            Indicates the dependency is optional for use of this library. While the
            version of the dependency will be taken into account for dependency calculation if the
            library is used elsewhere, it will not be passed on transitively. Note: While the type
            of this field is {@code String} for technical reasons, the semantic type is actually