assertEquals(2, ((List<?>) pom.getValue("build/plugins[1]/executions")).size());
        assertEquals("src/main/mdo/nexus.xml", (pom.getValue("build/plugins[1]/executions[1]/configuration[1]/model")));
        assertEquals(
                "src/main/mdo/security.xml", (pom.getValue("build/plugins[1]/executions[2]/configuration[1]/model")));
    }

    /*
        public void testPluginConfigDuplicate()

     * profiles from the project's POM and all its parent POMs as well as from external sources like the
     * {@code settings.xml}. The profile identifiers are grouped by the identifier of their source, e.g.
     * {@code <groupId>:<artifactId>:<version>} for a POM profile or {@code external} for profiles from the
     * {@code settings.xml}.
     *

import org.apache.maven.api.services.SuperPomProvider;
import org.apache.maven.api.services.VersionParserException;
import org.apache.maven.api.services.model.*;
import org.apache.maven.api.services.xml.XmlReaderException;
import org.apache.maven.api.services.xml.XmlReaderRequest;
import org.apache.maven.internal.impl.resolver.DefaultModelCache;
import org.apache.maven.internal.impl.resolver.DefaultModelRepositoryHolder;

                if (parent == null) {
                    //
                    // At this point the DefaultModelBuildingListener has fired and it populates the
                    // remote repositories with those found in the pom.xml, along with the existing externally
                    // defined repositories.
                    //
                    request.setRemoteRepositories(project.getRemoteArtifactRepositories());

        // effective model.
        //
        // As of 3.4, the model version is mandatory even in raw models. The XML element still is optional in the
        // XML schema and this will not change anytime soon. We do not want to build effective models based on
        // models without a version starting with 3.4.