* {@code profile > project}, hence active profile property may override project property.
     * <p>
     * The caller of this method should decide whether there is a project in scope (hence, a project instance
     * needs to be passed) or not.
     *
     * @param project {@link Project} or {@code null}.
     * @return the effective properties, never {@code null}
     */
    @Nonnull

<div class="termy">

```console
// Go to the home directory
$ cd
// Create a directory for all your code projects
$ mkdir code
// Enter into that code directory
$ cd code
// Create a directory for this project
$ mkdir awesome-project
// Enter into that project directory
$ cd awesome-project
```

</div>

## 仮想環境の作成

    <!-- Fixed date for reproducible build -->
    <project.build.outputTimestamp>1980-02-01T00:00:00Z</project.build.outputTimestamp>
  </properties>

  <build>
    <directory>${project.basedir}/target</directory>
    <outputDirectory>${project.build.directory}/classes</outputDirectory>
    <finalName>${project.artifactId}-${project.version}</finalName>
    <testOutputDirectory>${project.build.directory}/test-classes</testOutputDirectory>

                    </build>
                </project>
                """;

            Document moduleADoc = Document.of(moduleAPomXml);
            Document moduleBDoc = Document.of(moduleBPomXml);

            Map<Path, Document> pomMap = new HashMap<>();
            pomMap.put(Paths.get("project", "module-a", "pom.xml"), moduleADoc);
            pomMap.put(Paths.get("project", "module-b", "pom.xml"), moduleBDoc);

        MavenProject project = new MavenProject(model);

        assertEquals("test-group", project.getGroupId(), "groupId proto-inheritance failed.");
        assertEquals("real-artifact", project.getArtifactId(), "artifactId is masked.");
        assertEquals("1000", project.getVersion(), "version proto-inheritance failed.");

        // draw the NPE.
        project.getId();
    }

    @Test

        String key = "${project.artifactId} with version: ${project.version}";

        MavenProject project = createDefaultProject();
        project.setArtifactId("test");
        project.setVersion("1");

        ExpressionEvaluator ee = createExpressionEvaluator(project, new Properties());

        Object value = ee.evaluate(key);

        lifecyclePluginResolver.resolveMissingPluginVersions(project, session);

        final List<MojoExecution> executions = calculateMojoExecutions(session, project, tasks);

        if (setup) {
            setupMojoExecutions(session, project, executions);
        }

        final List<ExecutionPlanItem> planItem = ExecutionPlanItem.createExecutionPlanItems(project, executions);

 */
public class GradleDslReferencePlugin implements Plugin<Project> {
    @Override
    public void apply(Project project) {
        ProjectLayout layout = project.getLayout();
        TaskContainer tasks = project.getTasks();
        ObjectFactory objects = project.getObjects();

        GradleDocumentationExtension extension = project.getExtensions().getByType(GradleDocumentationExtension.class);

plugins {
  kotlin("jvm")
}

dependencies {
  testImplementation(projects.okhttp)
  testImplementation(projects.mockwebserver3)
  testImplementation(projects.mockwebserver3Junit5)
  testImplementation(projects.okhttpTls)
  testImplementation(projects.okhttpTestingSupport)
  testImplementation(libs.httpClient5)
  testImplementation(libs.jettyClient)
  testImplementation(libs.junit)
  testImplementation(libs.assertk)
}

        this.mojoExecution = mojoExecution;
    }

    public PluginExecutionException(
            MojoExecution mojoExecution, MavenProject project, String message, Throwable cause) {
        super(mojoExecution.getMojoDescriptor(), project, message, cause);
        this.mojoExecution = mojoExecution;
    }

    public PluginExecutionException(MojoExecution mojoExecution, MavenProject project, Exception cause) {