}

        ProjectBuildingRequest config = new DefaultProjectBuildingRequest();

        String localRepoUrl =
                System.getProperty("maven.repo.local", System.getProperty("user.home") + "/.m2/repository");
        localRepoUrl = "file://" + localRepoUrl;
        config.setLocalRepository(repositorySystem.createArtifactRepository(

            int parallelism = DEFAULT_BUILDER_PARALLELISM;
            try {
                String str = request.getUserProperties().getProperty(BUILDER_PARALLELISM);
                if (str == null) {
                    str = request.getSystemProperties().getProperty(BUILDER_PARALLELISM);
                }
                if (str != null) {
                    parallelism = Integer.parseInt(str);
                }

                Supplier<? extends Activation.Builder> creator, Activation.Builder builder, Activation target) {
            stk.push(nextFrame("property", Activation::getProperty));
            try {
                return super.transformActivation_Property(creator, builder, target);
            } finally {
                stk.pop();
            }
        }

        @Override