The build process state also includes state that is tied to a particular Gradle user home directory.
When that directory changes between Gradle invocations, the state is discarded and recreated.
Typically, the Gradle user home directory does not change for a given process, so this is effectively process state.

        return artifact;
    }

    private Artifact createTestArtifact(String directory, String type) throws IOException {
        return createTestArtifact(directory, "1.0", type);
    }

    private Artifact createTestArtifact(String directory, String version, String type) throws IOException {
        File testData = getTestFile(directory);
        FileUtils.deleteDirectory(testData);
        testData.mkdirs();

 | | <<<$\{project.artifactId\}>>>\
 | | <<<$\{project.build.directory\}>>> |
*----+------+------+
| <<<project.basedir>>>\
<<<pom.basedir>>> (<deprecated>)\
<<<basedir>>> (<deprecated>) | the directory containing the <<<pom.xml>>> file | <<<$\{project.basedir\}>>> |
*----+------+------+
| <<<project.baseUri>>>\
<<<pom.baseUri>>> (<deprecated>) | the directory containing the <<<pom.xml>>> file as URI | <<<$\{project.baseUri\}>>> |

    <module>maven-embedder</module>
    <module>maven-compat</module>
    <module>maven-toolchain-model</module>
    <module>maven-toolchain-builder</module>
  </modules>

  <properties>
    <project.directory>compat</project.directory>
  </properties>

     * @param fid the file identifier to monitor
     * @param completionFilter bitmask specifying the types of changes to monitor
     * @param watchTree true to monitor the entire directory tree, false for directory only
     */
    public NtTransNotifyChange(final Configuration config, final int fid, final int completionFilter, final boolean watchTree) {
        super(config, NT_TRANSACT_NOTIFY_CHANGE);
        this.fid = fid;

  </properties>

  <build>
    <resources>
      <resource>
        <directory>.</directory>
        <includes>
          <include>pom.xml</include>
          <include>src/**</include>
        </includes>
      </resource>
      <resource>
        <directory>src/main/resources</directory>
      </resource>
    </resources>
  </build>

  </properties>

  <build>
    <resources>
      <resource>
        <directory>.</directory>
        <includes>
          <include>pom.xml</include>
          <include>src/**</include>
        </includes>
      </resource>
      <resource>
        <directory>src/main/resources</directory>
      </resource>
    </resources>
  </build>

  <groupId>inheritance</groupId>
  <artifactId>child-artifact-id</artifactId>
  <version>11-SNAPSHOT</version>
  <name>Model urls inheritance test child</name>
  <description>Flat directory structure case: module = ../child-artifact-id + child directory path != child-artifact-id</description>

  <!-- 5 inherited urls with ../${project.artifactId} added to parent -->
  <url>http://www.apache.org/path/to/parent/../child-artifact-id/</url>
  <scm>

 */
class ResourceIncludeTest {

    private MavenProject project;

    @BeforeEach
    void setUp() {
        project = new MavenProject();
        // Set a dummy pom file to establish the base directory
        project.setFile(new java.io.File("./pom.xml"));

        // Set build output directories
        project.getBuild().setOutputDirectory("target/classes");

     */
    void forEach(ClassHandler handler);

    /**
     * Searches for resources handled by this instance and calls the handler for each resource.
     * <p>
     * If a root directory is specified at instance construction, only resources under the root directory are targeted.
     * </p>
     *
     * @param handler the handler to process resources
     */
    void forEach(ResourceHandler handler);

    /**