public interface SourceRoot {
    /**
     * {@return the root directory where the sources are stored}
     * The path is relative to the <abbr>POM</abbr> file.
     *
     * <h4>Default implementation</h4>
     * The default value depends on whether a {@linkplain #module() module name} is specified in this source root:
     * <ul>
     *   <li>
     *     If no module name, then the default directory is

    }

    /**
     * Returns the current working directory for the Maven execution.
     * This is typically the directory from which Maven was invoked.
     *
     * @return the current working directory path
     */
    @Nonnull
    Path cwd();

    /**
     * Returns the Maven installation directory.
     * This is usually set by the Maven launcher script using the "maven.home" system property.

     * The path matcher returned by this method expects directory paths.
     * If that matcher returns {@code false}, then the directory will definitively not contain
     * the paths selected by the matcher given in argument to this method.
     * In such case, the whole directory and all its sub-directories can be skipped.

	d.dirRecordsThisDisk = b.uint64() // total number of entries in the central directory on this disk
	d.directoryRecords = b.uint64()   // total number of entries in the central directory
	d.directorySize = b.uint64()      // size of the central directory
	d.directoryOffset = b.uint64()    // offset of start of central directory with respect to the starting disk number

	return nil

   * create a directory, not a regular file. A common pitfall is to call {@code createTempFile},
   * delete the file and create a directory in its place, but this leads a race condition which can
   * be exploited to create security vulnerabilities, especially when executable files are to be
   * written into the directory.
   *

    /**
     * Sets the root directory of the project.
     *
     * @since 4.0.0
     */
    MavenExecutionRequest setRootDirectory(Path rootDirectory);

    /**
     * Gets the root directory of the top project, which is the parent directory containing the {@code .mvn}
     * directory or a {@code pom.xml} file with the {@code root="true"} attribute.

						<!-- logs (empty) -->
						<mapping>
							<directory>${packaging.fess.log.dir}</directory>
						</mapping>
						<!-- temp (empty) -->
						<mapping>
							<directory>${packaging.fess.temp.dir}</directory>
						</mapping>
						<!-- dictionary (empty) -->
						<mapping>
							<directory>${packaging.fess.dictionary.dir}</directory>
							<filemode>755</filemode>
							<username>opensearch</username>

 []

 Depending on what the directory represents ("groupId", "groupId/artifactId" or "groupId/artifactId/version"),
 the Maven Repository Metadata file contains 3 different sets of metadata:

 [[1]] in a "groupId" directory: a "groupId" directory may contain Maven plugins artifacts, which are described in metadata's <<<plugins>>> element,

    Path getTopDirectory();

    /**
     * Gets the root directory of the session, which is the root directory for the top directory project.
     *
     * @return the root directory, never {@code null}
     * @throws IllegalStateException if the root directory could not be found
     * @see #getTopDirectory()
     * @see Project#getRootDirectory()
     * @see Project#isRootProject()
     */
    @Nonnull
    Path getRootDirectory();

            // Execute with target model 4.0.0 (should create .mvn directory)
            upgradeGoal.testExecuteWithTargetModel(context, "4.0.0");

            Path mvnDir = projectDir.resolve(".mvn");
            assertTrue(Files.exists(mvnDir), ".mvn directory should be created");
            assertTrue(Files.isDirectory(mvnDir), ".mvn should be a directory");
        }

        @Test