*/
    BEFORE("before:"),
    /**
     * Execution is the execution of the phase proper. Failure of any {@code #AT} dynamic phase execution will fail
     * the phase. Any {@link #AFTER} phases will still be executed.
     */
    AT(""),
    /**
     * Guaranteed execution dynamic phases on completion of the static phase. All {@code #AFTER} dynamic phases will

        if (lifecyclePhases.isEmpty()) {
            return Collections.emptyMap();
        }

        Map<String, String> phases = new LinkedHashMap<>();
        for (Map.Entry<String, LifecyclePhase> e : lifecyclePhases.entrySet()) {
            phases.put(e.getKey(), e.getValue().toString());
        }
        return phases;
    }

                    }

                    @Override
                    public List<Phase> phases() {
                        return Collections.emptyList();
                    }

                    @Override
                    public Stream<Phase> allPhases() {
                        return Stream.concat(Stream.of(this), phases().stream().flatMap(Phase::allPhases));
                    }
                })

        callback.onPhaseStart(ChatPhaseCallback.PHASE_ANSWER, "msg");

        assertEquals(5, phases.size());
        assertEquals("intent", phases.get(0));
        assertEquals("search", phases.get(1));
        assertEquals("evaluate", phases.get(2));
        assertEquals("fetch", phases.get(3));
        assertEquals("answer", phases.get(4));
    }

                    Map<String, LifecyclePhase> phases = getLifecyclePhases(lifecycleId);
                    if (phases != null) {
                        Lifecycle lifecycle = new Lifecycle();

                        lifecycle.setId(lifecycleId);
                        lifecycle.setLifecyclePhases(phases);

                        lifecycleMap.put(lifecycleId, lifecycle);
                    }

We have a lifecycle mapping for the packaging of *jar* below. You see that for this packaging we have a *default* lifecycle and a list of phases where each phase is a comma separated list of goals to run and they are in the form groupId:artifactId:version.

<configuration>
  <lifecycles>
    <lifecycle>
      <id>default</id>
      <phases>
        <process-resources>org.apache.maven.plugins:maven-resources-plugin:resources</process-resources>

/**
 * Base lifecycle provider.
 */
public abstract class AbstractLifecycleProvider implements Provider<Lifecycle> {
    private final Lifecycle lifecycle;

    protected AbstractLifecycleProvider(String id, String[] phases, String[] pluginBindings) {
        HashMap<String, LifecyclePhase> defaultBindings = null;
        if (pluginBindings != null) {
            final int len = pluginBindings.length;

            if (len < 2 || len % 2 != 0) {

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

import java.util.Comparator;
import java.util.List;

/**
 * Compares phases within the context of a specific lifecycle with secondary sorting based on the {@link PhaseId}.
 */
public class PhaseComparator implements Comparator<String> {
    /**
     * The lifecycle phase ordering.
     */

        }
    }

    /**
     * Upgrades deprecated Maven 3 phase names to Maven 4 equivalents.
     * This replaces pre-/post- phases with before:/after: phases.
     */
    private void upgradeDeprecatedPhases(Editor editor, UpgradeContext context) {
        // Create mapping of deprecated phases to their Maven 4 equivalents
        Map<String, String> phaseUpgrades = createPhaseUpgradeMap();

        Element root = editor.root();

                String phase = event.getMojoExecution().getLifecyclePhase();
                if (phase != null) {
                    Deque<String> phases = getLifecycles(project);
                    if (!Objects.equals(phase, phases.peekLast())) {
                        phases.addLast(phase);
                        if ("clean".equals(phase)) {
                            synchronized (project) {