static CollectStepData lookupCollectStepData(RequestTrace trace) {
        CollectStepData collectStepTrace = null;
        while (trace != null) {
            if (trace.getData() instanceof CollectStepData) {
                collectStepTrace = (CollectStepData) trace.getData();
                break;
            }
            trace = trace.getParent();
        }
        return collectStepTrace;
    }

    /**

    static InternalSession from(org.eclipse.aether.RepositorySystemSession session) {
        return cast(InternalSession.class, session.getData().get(InternalSession.class), "session");
    }

    static void associate(org.eclipse.aether.RepositorySystemSession rsession, Session session) {
        if (!rsession.getData().set(InternalSession.class, null, from(session))) {

        RepositorySystemSession systemSessionMock = Mockito.mock(RepositorySystemSession.class);
        SessionData sessionDataMock = Mockito.mock(SessionData.class);
        when(systemSessionMock.getData()).thenReturn(sessionDataMock);
        when(sessionDataMock.get(any())).thenReturn(new NoTransformerContext());

        Path beforePomFile =

            }
        }
    }

    private List<?> validationPluginExcludes(RepositorySystemSession session) {
        return (List<?>) session.getData().computeIfAbsent(PLUGIN_EXCLUDES_KEY, () -> parsePluginExcludes(session));
    }

    private List<String> parsePluginExcludes(RepositorySystemSession session) {

     * @return the totalBytesWritten
     */
    public int getMessageLength () {
        return this.messageLength;
    }


    /**
     * @return the totalBytesWritten
     */
    public byte[] getData () {
        return this.data;
    }


    /**
     * {@inheritDoc}
     *
     * @see Decodable#decode(byte[], int, int)
     */
    @Override

        /**
         * Gets key-value pairs providing information about the Maven runtime.
         *
         * @return The key-value pairs, never {@code null}.
         */
        Map<String, Object> getData();
    }

    /**
     * Initializes the spy.
     *
     * @param context The event spy context, never {@code null}.
     */
    void init(Context context) throws Exception;

    /**

            }
            mojos.remove(Thread.currentThread());
        }

        private OwnerReentrantLock getProjectLock(MavenSession session) {
            SessionData data = session.getSession().getData();
            Map<MavenProject, OwnerReentrantLock> locks = data.computeIfAbsent(PROJECT_LOCKS, ConcurrentHashMap::new);
            return locks.computeIfAbsent(session.getCurrentProject(), p -> new OwnerReentrantLock());

 * abused as a cache (i.e. for storing values that can be re-calculated) to avoid memory exhaustion.
 * <p>
 * <strong>Note:</strong> Actual implementations must be thread-safe.
 *
 * @see Session#getData()
 * @since 4.0.0
 */
@Experimental
@ThreadSafe
@Provider
public interface SessionData {

    /**
     * Associates the specified session data with the given key.
     *

            RepositorySystemSession session, ArtifactDescriptorResult artifactDescriptorResult, Model model)
            throws ArtifactDescriptorException {
        Relocations relocations = (Relocations) session.getData()
                .computeIfAbsent(getClass().getName() + ".relocations", () -> parseRelocations(session));
        if (relocations != null) {
            Artifact original = artifactDescriptorResult.getRequest().getArtifact();

        Text comment = (Text) firstNode.getFirstChild();
        Matcher matcher = ACCESSOR_COMMENT_PATTERN.matcher(comment.getData());
        if (matcher.lookingAt()) {
            String theOrWhether = matcher.group(1).toLowerCase(Locale.US);
            comment.setData(StringUtils.capitalize(theOrWhether) + " " + comment.getData().substring(matcher.end()));
        }
    }