+ " is missing.",
                    dependency.getLocation(""));
            return null;
        }

        String imported = groupId + ':' + artifactId + ':' + version;

        if (importIds.contains(imported)) {
            StringBuilder message =
                    new StringBuilder("The dependencies of type=pom and with scope=import form a cycle: ");

        List<ReportSet> pluginReportSets = plugin.getReportSets();
        ReportSet reportSet = pluginReportSets.stream()
                .filter(rs -> rs.getId().equals(expectedId))
                .findFirst()
                .orElse(null);
        assertNotNull(reportSet, "Wrong id for \"" + artifactId + "\"");

        String config = reportSet.getConfiguration().toString();
        assertTrue(

                        problems.add(
                                Severity.WARNING,
                                Version.V40,
                                "Ignored POM import for: " + toString(dependency) + " as already imported "
                                        + toString(present) + ".  Add a the conflicting managed dependency directly "
                                        + "to the dependencyManagement section of the POM.");

 * the fact that the problem reporter has/should not have information about the calling context and hence cannot provide
 * an expressive source hint for the model problem. Instead, the source hint is configured by the model builder before
 * it delegates to other components that potentially encounter problems. Then, the problem reporter can focus on

                Map<Object, Object> context) {
            List<ReportSet> src = source.getReportSets();
            if (!src.isEmpty()) {
                List<ReportSet> tgt = target.getReportSets();
                Map<Object, ReportSet> merged = new LinkedHashMap<>((src.size() + tgt.size()) * 2);

                for (ReportSet element : tgt) {
                    Object key = getReportSetKey().apply(element);

        <field>
          <name>requiresReports</name>
          <version>1.0.0</version><!-- no longer part of 1.1.0 -->
          <type>boolean</type>
          <description>Flags this Mojo to require running inside of a reports context. Unsupported since Maven 3.0.</description>
          <defaultValue>false</defaultValue>
        </field>
        <field>
          <name>requiresOnline</name>
          <version>1.0.0/1.1.0</version>

 * the fact that the problem reporter has/should not have information about the calling context and hence cannot provide
 * an expressive source hint for the model problem. Instead, the source hint is configured by the model builder before
 * it delegates to other components that potentially encounter problems. Then, the problem reporter can focus on

            boolean sourceDominant,
            Map<Object, Object> context) {
        List<ReportSet> src = source.getReportSets();
        if (!src.isEmpty()) {
            List<ReportSet> tgt = target.getReportSets();
            Map<Object, ReportSet> merged = new LinkedHashMap<>((src.size() + tgt.size()) * 2);

            for (ReportSet rset : src) {

import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;

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

/**
 * Holds all Models that are known to the reactor. This allows the project builder to resolve imported Models from the
 * reactor when building another project's effective model.
 *
 */
class ReactorModelPool {
    private final Map<GAKey, Set<Model>> modelsByGa = new ConcurrentHashMap<>();

    <exportedPackage>org.fusesource.jansi.Ansi</exportedPackage>

    <!-- javax.inject (JSR-330) -->
    <exportedPackage>javax.inject.*</exportedPackage>
    <!-- javax.enterprise.inject (JSR-299): Must never be exported if needed at plugin level, plugin adds it
         there is no justification to get it at Maven level and leaking it will conflict.
    <exportedPackage>javax.enterprise.util.*</exportedPackage>