private static class StreamGobbler implements Runnable {
        private final InputStream inputStream;
        private final Consumer<String> consumer;

        private StreamGobbler(InputStream inputStream, Consumer<String> consumer) {
            this.inputStream = inputStream;
            this.consumer = consumer;
        }

        @Override
        public void run() {

        private final TransferEvent event;

        private Exchange(TransferEvent event) {
            this.event = event;
        }

        public void process(Consumer<TransferEvent> consumer) {
            consumer.accept(event);
        }

        public void waitForProcessed() throws InterruptedException {
            // nothing, is async
        }
    }

     * @param initializer the initializer consumer for the component
     * @param destroyer the destroyer consumer for the component
     * @return this container instance for method chaining
     */
    public <T> StandardCrawlerContainer singleton(final String name, final Class<T> cls, final Consumer<T> initializer,
            final Consumer<T> destroyer) {

        DeployRequest result = transformer.remapDeployArtifacts(session, request);

        // Should have both consumer POM (no classifier) and build POM (with "build" classifier)
        Collection<Artifact> artifacts = result.getArtifacts();
        assertEquals(3, artifacts.size()); // original jar + consumer pom + build pom

        }
    }

    /**
     * Processes all thread information and sends it to the provided consumer.
     *
     * @param writer the consumer that will handle each line of thread dump output
     */
    public static void processThreadDump(final Consumer<String> writer) {
        for (final Map.Entry<Thread, StackTraceElement[]> entry : Thread.getAllStackTraces().entrySet()) {

     * consumer project.
     * <p>
     * Note: This property is about "build path", whatever it means in the scope of the consumer project. It is NOT
     * about Java classpath or anything alike. How artifact is being consumed depends heavily on the consumer project.
     * Resolver is and will remain agnostic of consumer project use cases.
     */

        if (logger.isDebugEnabled()) {
            writePlan(logger::debug, plan, project);
        }
    }

    public void writePlan(Consumer<String> writer, BuildPlan plan) {
        plan.projects().forEach(project -> writePlan(writer, plan, project));
    }

    public void writePlan(Consumer<String> writer, BuildPlan plan, MavenProject project) {
        writer.accept("=== PROJECT BUILD PLAN ================================================");

    class MockCurlRequest extends CurlRequest {

        MockCurlRequest(Curl.Method method, String url) {
            super(method, url);
        }

        @Override
        public void connect(Consumer<HttpURLConnection> actionListener, Consumer<Exception> exceptionListener) {
            try {
                actionListener.accept(new MockHttpURLConnection(new URL(url)));
            } catch (MalformedURLException e) {

 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.plugin;

import org.apache.maven.api.annotations.Consumer;
import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.ThreadSafe;

/**
 * Represents the contract for Mojos to interact with the Maven infrastructure.

 *       This allows modern features like mixins to be preserved in the consumer POM.</li>
 * </ul>
 * <p>
 * <b>Mixin Handling</b>: Mixins are only supported in model version 4.2.0 or later. If a POM contains mixins:
 * <ul>
 *   <li>Setting {@code preserve.model.version=true} preserves them in the consumer POM with model version 4.2.0</li>
 *   <li>Setting {@code maven.consumer.pom.flatten=true} removes them during transformation</li>