here's what I do currently in the netbeans part of the mavenide project to
 find the relevant subprojects/sibling projects. I check if the user has
 defined the maven.multiproject.includes property in any of his properties
 files for the current project. if yes. then I'm able to find projects that
 can be offered to be opened together with the current project.
 problems with the current solution are:

import org.jetbrains.kotlin.analysis.project.structure.KtDanglingFileModule
import org.jetbrains.kotlin.analysis.project.structure.KtModule
import org.jetbrains.kotlin.analysis.project.structure.ProjectStructureProvider
import org.jetbrains.kotlin.analysis.project.structure.isStable
import org.jetbrains.kotlin.psi.KtElement
import java.util.concurrent.ConcurrentMap

        // load the child project, which inherits from p0...
        MavenProject project0 = getProjectWithDependencies(pom0);
        MavenProject project1 = getProjectWithDependencies(pom1);

        assertEquals(pom0Basedir, project1.getParent().getBasedir());
        System.out.println("Project " + project1.getId() + " " + project1);
        Map map = project1.getArtifactMap();
        assertNotNull(map, "No artifacts");

            throws InvalidRepositoryException;

    /**
     * Creates the project realm that hosts the build extensions of the specified model.
     *
     * @param project The project to create the project realm for, must not be {@code null}
     * @param model The model to create the project realm for, must not be {@code null}
     * @param request The project building request holding further settings like repository settings, must not be

    override fun registerProjectExtensionPoints(project: MockProject, testServices: TestServices) {
        AnalysisHandlerExtension.registerExtensionPoint(project)
        PluginStructureProvider.registerProjectExtensionPoints(project, PLUGIN_RELATIVE_PATH)
    }

    override fun registerProjectServices(project: MockProject, testServices: TestServices) {
        PluginStructureProvider.registerProjectServices(project, PLUGIN_RELATIVE_PATH)

            ProjectBuildingRequest projectBuildingRequest) {
        this.project = Objects.requireNonNull(project, "project cannot be null");
        this.projectBuildingHelper =
                Objects.requireNonNull(projectBuildingHelper, "projectBuildingHelper cannot be null");
        this.projectBuildingRequest =
                Objects.requireNonNull(projectBuildingRequest, "projectBuildingRequest cannot be null");

        MavenProject project = session.getCurrentProject();

        project.setArtifacts(resolver.resolve(project, Collections.singleton(Artifact.SCOPE_COMPILE), session));

        List<String> elements = project.getCompileClasspathElements();
        assertEquals(2, elements.size());

        @SuppressWarnings("deprecation")
        List<Artifact> artifacts = project.getCompileArtifacts();

        val globalExtension = project.extensions.create<TestFilesCleanupBuildServiceRootExtension>("testFilesCleanupRoot")
        project.gradle.taskGraph.whenReady {
            val testFilesCleanupService = project.gradle.sharedServices.registerIfAbsent("testFilesCleanupBuildService", TestFilesCleanupService::class.java) {

import com.intellij.openapi.Disposable
import com.intellij.openapi.project.Project
import org.jetbrains.kotlin.analysis.api.impl.base.test.configurators.AnalysisApiBaseTestServiceRegistrar
import org.jetbrains.kotlin.analysis.api.impl.base.test.configurators.AnalysisApiDecompiledCodeTestServiceRegistrar
import org.jetbrains.kotlin.analysis.test.framework.project.structure.KtTestModuleFactory

        }
    }

    public boolean isBlackListed(MavenProject project) {
        return blackList.contains(getProjectKey(project));
    }

    private static String getProjectKey(MavenProject project) {
        return ArtifactUtils.versionlessKey(project.getGroupId(), project.getArtifactId());
    }

    public void registerBuildFailure(MavenProject project, Exception error, String task, long time) {