return new PluginsMetadata(pluginInfo, path, timestamp);
    }

    @Override
    public String getGroupId() {
        return pluginInfo.groupId;
    }

    @Override
    public String getArtifactId() {
        return "";
    }

    @Override
    public String getVersion() {
        return "";
    }

    @Override
    public Nature getNature() {

        return new PluginPrefixResult() {
            @Override
            public String getGroupId() {
                return "com.foobar";
            }

            @Override
            public String getArtifactId() {
                return "bazbaz";
            }

            @Override
            public ArtifactRepository getRepository() {
                return null;
            }
        };
    }

        public ModelData intoCache(ModelData data) {
            Model model = (data.getModel() != null) ? data.getModel().clone() : null;
            return new ModelData(data.getSource(), model, data.getGroupId(), data.getArtifactId(), data.getVersion());
        }

        @Override
        public ModelData fromCache(ModelData data) {
            return intoCache(data);
        }
    };

    /**

                    artifact = artifactFactory.createArtifact(
                            d.getGroupId(), d.getArtifactId(), d.getVersion(), d.getScope(), d.getType());
                } else {
                    artifact = artifactFactory.createDependencyArtifact(
                            d.getGroupId(),
                            d.getArtifactId(),
                            versionRange,
                            d.getType(),

        assertEquals(1, ex1.getResults().size());
        MavenProject project1 = ex1.getResults().get(0).getProject();
        assertNotNull(project1);
        assertEquals("testArtifactMissingVersion", project1.getArtifactId());
        assertEquals(pomFile, project1.getFile());

        // multi projects build entry point
        ProjectBuildingException ex2 = assertThrows(
                ProjectBuildingException.class,

     */
    String getGroupId();

    /**
     * The resolved artifact id for the plugin.
     *
     * @return The resolved artifact id for the plugin, never {@code null}.
     */
    String getArtifactId();

    /**
     * The repository from which the plugin prefix was resolved.
     *
     * @return The repository from which the plugin prefix was resolved or {@code null} if the prefix was resolved from

    }

    private String id(org.apache.maven.artifact.Artifact artifact) {
        return artifact.getGroupId()
                + ":" + artifact.getArtifactId()
                + ":" + artifact.getArtifactHandler().getExtension()
                + (artifact.getClassifier() == null || artifact.getClassifier().isEmpty()
                        ? ""

                .filter(d -> "org.apache.maven".equals(d.getGroupId()))
                .filter(d -> !DefaultPluginValidationManager.EXPECTED_PROVIDED_SCOPE_EXCLUSIONS_GA.contains(
                        d.getGroupId() + ":" + d.getArtifactId()))
                .map(Artifact::getVersion)
                .collect(Collectors.toSet());

        if (mavenVersions.size() > 1) {
            pluginValidationManager.reportPluginValidationIssue(

        return blackList.contains(getProjectKey(project));
    }

    private static String getProjectKey(MavenProject project) {
        return ArtifactUtils.versionlessKey(project.getGroupId(), project.getArtifactId());
    }

    public void registerBuildFailure(MavenProject project, Exception error, String task, long time) {
        buildFailuresByProject.put(getProjectKey(project), new BuildFailure(project, time, error));

                }
            }

            messageBuffer.append("Inside the definition for plugin '");
            messageBuffer.append(mojo.getPluginDescriptor().getArtifactId());
            messageBuffer.append("', specify the following:").append(LS).append(LS);
            messageBuffer.append("<configuration>").append(LS).append("  ...").append(LS);