if (validationReportLevel == ValidationReportLevel.VERBOSE) {
                logger.warn(
                        "Fix reported issues by adjusting plugin configuration or by upgrading above listed plugins. If no upgrade available, please notify plugin maintainers about reported issues.");
            }
            logger.warn(

        assertEquals(1, ((List<?>) pom.getValue("reporting/plugins[1]/reportSets")).size());
        assertEquals("it", pom.getValue("reporting/plugins[1]/reportSets[1]/id"));
        assertEquals("index.html", pom.getValue("reporting/plugins[1]/reportSets[1]/configuration/outputFile"));
        assertEquals(1, ((List<?>) pom.getValue("reporting/plugins[1]/reportSets[1]/reports")).size());

    /**
     * Gets the problems that were encountered during the settings building. Note that only problems of severity
     * {@link BuilderProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the settings builder to fail with a {@link ToolchainsBuilderException}.
     *

            PluginDescriptor pluginDescriptor = null;
            if (plugin.isExtensions() && !artifacts.isEmpty()) {
                // ignore plugin descriptor parsing errors at this point
                // these errors will reported during calculation of project build execution plan
                try {
                    pluginDescriptor = extractPluginDescriptor(artifacts.get(0), plugin);

    /**
     * OS family that can be tested for. {@value}
     */
    private static final String FAMILY_OS400 = "os/400";

    /**
     * OpenJDK is reported to call MacOS X "Darwin"
     *
     * @see <a href="https://issues.apache.org/bugzilla/show_bug.cgi?id=44889">bugzilla issue</a>
     * @see <a href="https://issues.apache.org/jira/browse/HADOOP-3318">HADOOP-3318</a>

 * <tr><td><code>*</code></td>                 <td></td>               <td>system properties</td></tr>
 * </table>
 * <i>Notice:</i> <code>reports</code> was supported in Maven 2.x but was removed in Maven 3
 *
 * @see MavenSession
 * @see MojoExecution
 */
public class PluginParameterExpressionEvaluator implements TypeAwareExpressionEvaluator {

 * 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

                    merged.put(key, element);
                }

                builder.plugins(merged.values());
            }
        }

        @Override
        protected void mergeReportPlugin_ReportSets(
                ReportPlugin.Builder builder,
                ReportPlugin target,
                ReportPlugin source,
                boolean sourceDominant,
                Map<Object, Object> context) {

        try {
            return expressionEvaluator.evaluate(strValue) != null;
        } catch (ExpressionEvaluationException e) {
            // not important
            // will be reported during Mojo fields populate
        }

        // fallback - in case of error in expressionEvaluator
        return false;
    }

    @Override
    public final void validate(

     * @throws DuplicateProjectException if any projects are duplicated by id
     */
    // MAVENAPI FIXME: the DAG used is NOT only used to represent the dependency relation,
    // but also for <parent>, <build><plugin>, <reports>. We need multiple DAG's
    // since a DAG can only handle 1 type of relationship properly.
    // Use case:  This is detected as a cycle:
    // org.apache.maven:maven-plugin-api                -(PARENT)->