MetadataGraphVertex targetNode = e.getTarget();
                    targetNode.getMd().setArtifactScope(e.getScope());
                    targetNode.getMd().setWhy(e.getSource().getMd().toString());
                    visit(targetNode);
                }
            }
        }
        // -----------------------------------------------------------------------

        cache[key] ?: return null
      } catch (_: IOException) {
        return null // Give up because the cache cannot be read.
      }

    val entry: Entry =
      try {
        Entry(snapshot.getSource(ENTRY_METADATA))
      } catch (_: IOException) {
        snapshot.closeQuietly()
        return null
      }

    val response = entry.response(snapshot)
    if (!entry.matches(request, response)) {

        this.executionId = null;
    }

    /**
     * Gets the source of this execution.
     *
     * @return The source of this execution or {@code null} if unknown.
     */
    public Source getSource() {
        return source;
    }

    public String getExecutionId() {
        return executionId;
    }

    public Plugin getPlugin() {
        if (mojoDescriptor != null) {

    public String getArtifactUri() {
        return artifactUri;
    }

    public void setArtifactUri(String artifactUri) {
        this.artifactUri = artifactUri;
    }

    public MetadataGraphVertex getSource() {
        return source;
    }

    public void setSource(MetadataGraphVertex source) {
        this.source = source;
    }

    public MetadataGraphVertex getTarget() {
        return target;

        public ModelBuilderRequest getRequest() {
            return null;
        }

        // Other required methods with minimal implementations
        @Override
        public ModelSource getSource() {
            return new ModelSource() {
                @Override
                public Path getPath() {
                    return Paths.get("test-pom.xml");
                }

                @Override

        this.source = source;
        this.model = model;
        setGroupId(groupId);
        setArtifactId(artifactId);
        setVersion(version);
    }

    public ModelSource getSource() {
        return source;
    }

    /**
     * Gets the model being wrapped.
     *
     * @return The model or {@code null} if not set.
     */
    public Model getModel() {
        return model;

        tasks.register("checkstyleApi", Checkstyle.class, task -> {
            task.source(extension.getDocumentedSource());
            // TODO: This is ugly
            task.setConfig(project.getResources().getText().fromFile(checkstyle.getConfigDirectory().file("checkstyle-api.xml")));
            task.setClasspath(layout.files());

                    .filter(p -> p.getLocation("version") != null
                            && p.getLocation("version").getSource() != null
                            && defaulModelId.equals(
                                    p.getLocation("version").getSource().getModelId()))
                    .distinct()
                    .map(Plugin::getArtifactId) // managed by us, groupId is always o.a.m.plugins

            return null;
        }

        List<MetadataGraphEdge> res = new ArrayList<>(edges.size());

        for (MetadataGraphEdge e : edges) {
            if (e.getSource().equals(vFrom)) {
                res.add(e);
            }
        }

        return res;
    }
    // ------------------------------------------------------------------------

     */
    @Deprecated(since = "4.0.0")
    public List<Resource> getResources() {
        return getResources(ProjectScope.MAIN);
    }

    /**
     * @deprecated Replaced by {@code getEnabledSourceRoots(ProjectScope.TEST, Language.RESOURCES)}.
     */
    @Deprecated(since = "4.0.0")
    public List<Resource> getTestResources() {
        return getResources(ProjectScope.TEST);
    }