"The plugin " + pluginDescriptor.getId() + " has unmet prerequisites: " + messages,
                    prerequisiteExceptions.get(0));
            // the first exception is added as cause, all other ones as suppressed exceptions
            prerequisiteExceptions.stream().skip(1).forEach(pie::addSuppressed);
            throw pie;
        }
    }

    @Override
    @Deprecated

     *
     * <p><b>Context-sensitive interpretation:</b>
     * This path type makes sense only when a main module is added on the module-path by another dependency.
     * In no main module is found, the patch dependency may be added on the class-path or module-path
     * depending on whether {@link #CLASSES} or {@link #MODULES} is present.
     * </p>
     *

                                    manageArtifact(child, managedVersions, listeners);

                                    // Also, we need to ensure that any exclusions it presents are
                                    // added to the artifact before we retrieve the metadata
                                    // for the artifact; otherwise we may end up with unwanted
                                    // dependencies.

                    type.getLanguage().id(),
                    type.getPathTypes().contains(JavaPathType.CLASSES));
            // TODO: watch out for module path
        });

        // Note: here, type decides is artifact added to "build path" (for example during resolution)
        // and "build path" is intermediate data that is used to create actual Java classpath/modulepath
        // but to create those, proper filtering should happen via Type properties.

            effectiveScope = Artifact.SCOPE_SYSTEM;
        } else if (Artifact.SCOPE_COMPILE.equals(originalScope) && Artifact.SCOPE_COMPILE.equals(inheritedScope)) {
            // added to retain compile scope. Remove if you want compile inherited as runtime
            effectiveScope = Artifact.SCOPE_COMPILE;
        } else if (Artifact.SCOPE_TEST.equals(inheritedScope)) {

    }

    public static String getLayout(ArtifactRepository repo) {
        try {
            return repo.getLayout().getId();
        } catch (LinkageError e) {
            /*
             * NOTE: getId() was added in 3.x and is as such not implemented by plugins compiled against 2.x APIs.
             */
            String className = repo.getLayout().getClass().getSimpleName();
            if (className.endsWith("RepositoryLayout")) {

                        element = mergePlugin(existing, element, sourceDominant, context);
                    } else {
                        added.put(key, element);
                    }
                    merged.put(key, element);
                }

                if (!added.isEmpty()) {
                    PluginManagement pluginMgmt = (PluginManagement) context.get(PLUGIN_MANAGEMENT);

          <type>String</type>
          <description>What the last version added to the directory is, including both releases and snapshots ("groupId/artifactId" directory only)</description>
        </field>
        <field>
          <name>release</name>
          <version>1.0.0+</version>
          <type>String</type>

                addToClasspath = false;
            }
            /*
             * If the test output directory provides some modules of its own, add them.
             * Except for this unusual case, tests should never be added to the module-path.
             */
            for (Map.Entry<Path, String> entry : testModules.getModuleNames().entrySet()) {
                if (!outputModules.containsModule(entry.getValue())) {

            effectiveScope = Artifact.SCOPE_SYSTEM;
        } else if (Artifact.SCOPE_COMPILE.equals(originalScope) && Artifact.SCOPE_COMPILE.equals(inheritedScope)) {
            // added to retain compile scope. Remove if you want compile inherited as runtime
            effectiveScope = Artifact.SCOPE_COMPILE;
        } else if (Artifact.SCOPE_TEST.equals(inheritedScope)) {