Model.Builder builder, Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        String src = source.getUrl();
        if (src != null) {
            if (sourceDominant) {
                builder.url(src);
                builder.location("url", source.getLocation("url"));
            } else if (target.getUrl() == null) {

        builder.append(value);
        return this;
    }

    public Ansi a(long value) {
        flushAttributes();
        builder.append(value);
        return this;
    }

    public Ansi a(Object value) {
        flushAttributes();
        builder.append(value);
        return this;
    }

    public Ansi a(StringBuffer value) {
        flushAttributes();
        builder.append(value);

            }
            mergePlugin_GroupId(builder, target, source, sourceDominant, context);
            mergePlugin_ArtifactId(builder, target, source, sourceDominant, context);
            mergePlugin_Version(builder, target, source, sourceDominant, context);
            mergePlugin_Extensions(builder, target, source, sourceDominant, context);

        ModelBuilder builder = new DefaultModelBuilderFactory().newInstance();
        assertNotNull(builder);

        DefaultModelBuildingRequest request = new DefaultModelBuildingRequest();
        request.setModelSource(new StringModelSource(BASE1));
        request.setModelResolver(new CycleInImportsResolver());

        assertThrows(ModelBuildingException.class, () -> builder.build(request));
    }

        return result;
    }

    private void missingDescriptor(
            RepositorySystemSession session, RequestTrace trace, Artifact artifact, Exception exception) {
        RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_DESCRIPTOR_MISSING);
        event.setTrace(trace);
        event.setArtifact(artifact);
        event.setException(exception);

        return result;
    }

    private void missingDescriptor(
            RepositorySystemSession session, RequestTrace trace, Artifact artifact, Exception exception) {
        RepositoryEvent.Builder event = new RepositoryEvent.Builder(session, EventType.ARTIFACT_DESCRIPTOR_MISSING);
        event.setTrace(trace);
        event.setArtifact(artifact);
        event.setException(exception);

    <module>maven-plugin-api</module>
    <module>maven-builder-support</module>
    <module>maven-model</module>
    <module>maven-model-builder</module>
    <module>maven-di</module>
    <module>maven-xml-impl</module>
    <module>maven-jline</module>
    <module>maven-core</module>
    <module>maven-settings</module>
    <module>maven-settings-builder</module>
    <module>maven-artifact</module>

                .build());
        options.addOption(Option.builder(THREADS)
                .longOpt("threads")
                .hasArg()
                .desc("Thread count, for instance 4 (int) or 2C/2.5C (int/float) where C is core multiplied")
                .build());
        options.addOption(Option.builder(BUILDER)
                .longOpt("builder")
                .hasArg()

        assertEquals("8", request.commandLine.getOptionValue(CLIManager.THREADS));

        // override from command line
        request = new CliRequest(new String[] {"--builder", "foobar"}, null);
        cli.cli(request);
        assertEquals("foobar", request.commandLine.getOptionValue("builder"));
    }

    @Test

                    model);
            builder.packaging(POM_PACKAGING);
            builder.profiles(prune(model.getProfiles()));

            model = builder.build();
            String modelVersion = new MavenModelVersion().getModelVersion(model);
            model = model.withModelVersion(modelVersion);
        } else {
            Model.Builder builder = prune(
                    Model.newBuilder(model, true)