if (writer != null) {
                new MavenStaxWriter().write(writer, content);
            } else if (outputStream != null) {
                new MavenStaxWriter().write(outputStream, content);
            } else {
                try (OutputStream os = Files.newOutputStream(path)) {
                    new MavenStaxWriter().write(outputStream, content);
                }
            }
        } catch (Exception e) {

        }
    }

    @Override
    public void write(XmlWriterRequest<PersistedToolchains> request) throws XmlWriterException {
        nonNull(request, "request");
        PersistedToolchains content = Objects.requireNonNull(request.getContent(), "content");
        OutputStream outputStream = request.getOutputStream();
        Writer writer = request.getWriter();
        if (writer == null && outputStream == null) {

        assertFileExistence(dir, filename, true);

        File file = new File(dir, filename);

        String contents = FileUtils.fileRead(file, encoding);

        assertEquals(contentsTest, contents);
    }

    public File createFile(File dir, String filename, String contents, String encoding) throws IOException {
        File file = new File(dir, filename);

        file.getParentFile().mkdirs();

        }
    }

    @Override
    public void write(XmlWriterRequest<Settings> request) throws XmlWriterException {
        nonNull(request, "request");
        Settings content = nonNull(request.getContent(), "content");
        OutputStream outputStream = request.getOutputStream();
        Writer writer = request.getWriter();
        if (writer == null && outputStream == null) {

                new PluginDescriptorStaxWriter().write(writer, content);
            } else if (outputStream != null) {
                new PluginDescriptorStaxWriter().write(outputStream, content);
            } else {
                try (OutputStream os = Files.newOutputStream(path)) {
                    new PluginDescriptorStaxWriter().write(outputStream, content);
                }
            }
        } catch (Exception e) {

          <type>DOM</type> <!-- DOM for Maven 2.0.9/2.3.3 -->
          <description>
            Toolchain identification information, which will be matched against project requirements.
            &lt;p>Actual content structure is completely open: each toolchain type will define its own format and
            semantics.
            &lt;p>This is generally a properties format: {@code &lt;name&gt;value&lt;/name&gt;} with predefined

            mergePlugin_Version(builder, target, source, sourceDominant, context);
            mergePlugin_Extensions(builder, target, source, sourceDominant, context);
            mergePlugin_Executions(builder, target, source, sourceDominant, context);
            mergePlugin_Dependencies(builder, target, source, sourceDominant, context);
            return builder.build();
        }

        @Override

     *
     * @param projectDirectory The base directory of the current project, may be {@code null} if profile activation
     *                         happens in the context of metadata retrieval rather than project building.
     * @return This context, never {@code null}.
     */
    public DefaultProfileActivationContext setProjectDirectory(Path projectDirectory) {
        this.projectDirectory = projectDirectory;

    @Override
    public boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        return getActivationPackaging(profile).map(p -> isPackaging(context, p)).orElse(false);
    }

    @Override
    public boolean presentInConfig(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        return getActivationPackaging(profile).isPresent();
    }

            }

            Map<Object, Object> context =
                    Collections.singletonMap(PLUGIN_MANAGEMENT, targetBuild.getPluginManagement());

            Build.Builder builder = Build.newBuilder(targetBuild);
            mergePluginContainer_Plugins(builder, targetBuild, source.getBuild(), false, context);

            return target.withBuild(builder.build());
        }