this.setGoalPrefix(original.getGoalPrefix());
        this.setInheritedByDefault(original.isInheritedByDefault());
        this.setName(original.getName());
        this.setDescription(original.getDescription());
        this.setRequiredMavenVersion(original.getRequiredMavenVersion());
        this.setRequiredJavaVersion(original.getRequiredJavaVersion());

    {
        Model target = new Model();
        target.setDescription( "TARGET" );

        Model source = new Model();
        source.setDescription( "SOURCE" );

        modelMerger.merge( target, source, true, null );
        assertThat( target.getDescription(), is( "SOURCE" ) );

        target.setDescription( "TARGET" );
        modelMerger.merge( target, source, false, null );

            task.into(flattenedAsciidocDirectory);
        });

        TaskProvider<AsciidoctorTask> userguideSinglePageHtml = tasks.register("userguideSinglePageHtml", AsciidoctorTask.class, task -> {
            task.setDescription("Generates HTML single-page user manual.");
            configureForUserGuideSinglePage(task, extension, project);
            task.outputOptions(options -> options.setBackends(singletonList("html5")));

        registerModifiedProperty("createdTime");
        this.createdTime = value;
    }

    public String getDescription() {
        checkSpecifiedProperty("description");
        return convertEmptyToNull(description);
    }

    public void setDescription(String value) {
        registerModifiedProperty("description");
        this.description = value;
    }

                .desc("<deprecated> Use Maven 2 Legacy Local Repository behaviour.")
                .deprecated(DeprecatedAttributes.builder()
                        .setSince("3.9.1")
                        .setDescription("UNSUPPORTED: Use of this option will make Maven invocation fail.")
                        .get())
                .build());

        // Deprecated

        pluginDescriptor.setVersion(extractVersion(c));
        pluginDescriptor.setGoalPrefix(extractGoalPrefix(c));

        pluginDescriptor.setName(extractName(c));
        pluginDescriptor.setDescription(extractDescription(c));

        pluginDescriptor.setIsolatedRealm(extractIsolatedRealm(c));
        pluginDescriptor.setInheritedByDefault(extractInheritedByDefault(c));

        registerModifiedProperty("depth");
        this.depth = value;
    }

    public String getDescription() {
        checkSpecifiedProperty("description");
        return convertEmptyToNull(description);
    }

    public void setDescription(String value) {
        registerModifiedProperty("description");
        this.description = value;
    }

            result.setCreatedTime(DfTypeUtil.toLong(source.get("createdTime")));
            result.setDepth(DfTypeUtil.toInteger(source.get("depth")));
            result.setDescription(DfTypeUtil.toString(source.get("description")));
            result.setExcludedDocPaths(DfTypeUtil.toString(source.get("excludedDocPaths")));
            result.setExcludedPaths(DfTypeUtil.toString(source.get("excludedPaths")));

        }

        public Map<String, Artifact> getArtifactMap() {
            return artifactMap;
        }

        public void setDescription(String description) {
            this.description = description;
        }

        public String getDescription() {
            return description;
        }
    }

    public static class Build {}

    public static class Dependency {

        registerModifiedProperty("depth");
        this.depth = value;
    }

    public String getDescription() {
        checkSpecifiedProperty("description");
        return convertEmptyToNull(description);
    }

    public void setDescription(String value) {
        registerModifiedProperty("description");
        this.description = value;
    }