assertTrue(set.size() > 0, "No Artifacts");
        Iterator iter = set.iterator();
        assertTrue(set.size() == 4, "Set size should be 4, is " + set.size());

        while (iter.hasNext()) {
            Artifact artifact = (Artifact) iter.next();
            System.out.println("Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion()

        if (r1.size() != r2.size()) {
            return false;
        }

        for (Iterator<ArtifactRepository> it1 = r1.iterator(), it2 = r2.iterator(); it1.hasNext(); ) {
            if (!repositoryEquals(it1.next(), it2.next())) {
                return false;
            }
        }

        return true;
    }

    /**
     * CacheRecord
     */

                provides.entrySet().iterator();
        while (providesIter.hasNext()) {
            Map.Entry<String, RequirementMatcher> provideEntry = providesIter.next();
            builder.append(provideEntry.getKey()).append(" = ").append(provideEntry.getValue());
            if (providesIter.hasNext()) {
                builder.append(';');
            }
        }

        builder.append('}');

         * the association between the artifacts of the same project.
         */
        for (Iterator<? extends Metadata> it = metadatas.iterator(); it.hasNext(); ) {
            Metadata metadata = it.next();
            if (metadata instanceof PluginsMetadata pluginMetadata) {
                it.remove();

        MavenProject project = new MavenProject( new Model() );

        Set<Artifact> result = project.createArtifacts( dependencyFilter );

        for (Iterator<Artifact> it = result.iterator(); it.hasNext(); )
        {
            Artifact artifact = it.next();

            if ( "test-artifact2".equals( artifact.getArtifactId() ) )
            {
                ArtifactFilter filter = artifact.getDependencyFilter();

        assertNotNull(iterator);
        assertTrue(iterator.hasNext());
        assertTrue(iterator.hasNext());
        Entry<String, String> entry = iterator.next();
        assertNotNull(entry);
        entry = iterator.next();
        assertNotNull(entry);
        assertThrows(NoSuchElementException.class, () -> iterator.next());
        assertFalse(iterator.hasNext());
    }

                .append(':')
                .append(mojo.getGoal())
                .append("'")
                .append(LS);

        int idx = 0;
        for (Iterator<Parameter> it = params.iterator(); it.hasNext(); idx++) {
            Parameter param = it.next();

            messageBuffer.append(LS).append("[").append(idx).append("] ");

            decomposeParameterIntoUserInstructions(mojo, param, messageBuffer);

            } catch (MultipleArtifactsNotFoundException e) {

                Collection<Artifact> missing = new HashSet<>(e.getMissingArtifacts());

                for (Iterator<Artifact> it = missing.iterator(); it.hasNext(); ) {
                    String key = ArtifactUtils.key(it.next());
                    if (projectIds.contains(key)) {
                        it.remove();
                    }
                }

        Iterator<String> iter = keySet().iterator();
        while (iter.hasNext()) {
            String key = iter.next();
            buffer.append(key).append('=').append(get(key));
            if (iter.hasNext()) {
                buffer.append('\n');
            }
        }
        return buffer.toString();
    }

    }

    public void close() {
        printer.waitUntilRunning(false);
        System.setOut(this.originalSystemOUtStream);
    }

    private void setNext() {
        currentBuild = projects.hasNext() ? projects.next() : null;
    }

    private boolean ownsRealOutputStream(ProjectSegment projectBuild) {
        return projectBuild.equals(currentBuild);
    }