debugDependencyRequirements(executionPlan.getMojoExecutions());

        logger.debug("Repositories (dependencies): " + currentProject.getRemoteProjectRepositories());
        logger.debug("Repositories (plugins)     : " + currentProject.getRemotePluginRepositories());

        for (ExecutionPlanItem mojoExecution : executionPlan) {

        collect.setRootArtifact(RepositoryUtils.toArtifact(project.getArtifact()));
        collect.setRequestContext("project");
        collect.setRepositories(project.getRemoteProjectRepositories());

        if (project.getDependencyArtifacts() == null) {
            for (Dependency dependency : project.getDependencies()) {
                if (dependency.getGroupId() == null

            Collection<String> scopesToResolve,
            boolean aggregating,
            RepositorySystemSession session) {
        Key key = new CacheKey(
                project,
                project.getRemoteProjectRepositories(),
                scopesToCollect,
                scopesToResolve,
                aggregating,
                session);
        return keys.computeIfAbsent(key, k -> k);
    }

    @Override

        writer.accept("Project:                     " + getKey(project));
        writer.accept("Repositories (dependencies): " + project.getRemoteProjectRepositories());
        writer.accept("Repositories (plugins):      " + project.getRemotePluginRepositories());

        Optional<BuildStep> planStep = plan.step(project, BuildStep.PLAN);