// Create module directory and POM
            Path moduleDir = tempDir.resolve("module1");
            Files.createDirectories(moduleDir);
            Path modulePom = moduleDir.resolve("pom.xml");
            String modulePomContent = PomBuilder.create()
                    .parent("com.example", "parent-project", "1.0.0")
                    .artifactId("module1")
                    .build();

        void shouldHandleMergingWithDifferentPOMSets() {
            Path pom1 = Paths.get("pom.xml");
            Path pom2 = Paths.get("module1/pom.xml");
            Path pom3 = Paths.get("module2/pom.xml");

            UpgradeResult result1 = new UpgradeResult(
                    Set.of(pom1, pom2), // processed
                    Set.of(pom1), // modified

                    <artifactId>test</artifactId>
                    <version>1.0.0</version>
                    <modules>
                        <module>module1</module>
                        <module>module2</module>
                    </modules>
                </project>
                """;

            Document document = Document.of(pomXml);

class DefaultGraphBuilderTest {
    /*
    The multi-module structure in this project is displayed as follows:

    module-parent
    └─── module-independent     (without parent declaration)
         module-a
         module-b               (depends on module-a)
         module-c
         └─── module-c-1
              module-c-2        (depends on module-b)
         module-d               (packaging is bom)
     */

		<antcall target="remove.jars" />
	</target>

	<target name="install.module">
		<get dest="${target.dir}">
			<url url="${repo.url}/${module.groupId}/${module.name.prefix}${module.name}/${module.version}/${module.name.prefix}${module.name}-${module.zip.version}.zip" />
		</get>
		<unzip dest="${modules.dir}/${module.name}" src="${target.dir}/${module.name.prefix}${module.name}-${module.zip.version}.zip">
			<patternset>
				<include name="**" />

@SuppressWarnings("module")
module okhttp3.modules.test {
  requires okhttp3;
  requires okhttp3.logging;
  requires mockwebserver3;
  requires mockwebserver3.junit5;
  requires jdk.crypto.ec;
  requires org.junit.jupiter.api;
  requires okhttp3.modules;
  opens okhttp3.modules.test to org.junit.platform.commons;

under the License.
-->

<project>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>aid</artifactId>
  <groupId>gid</groupId>
  <version>0.1</version>
  <packaging>pom</packaging>

  <modules>
    <module> </module>
  </modules>

-->

<project>
  <modelVersion>4.0.0</modelVersion>
  <artifactId>aid</artifactId>
  <groupId>gid</groupId>
  <version>0.1</version>
  <packaging>pom</packaging>

  <modules>
    <module>child</module>
    <module>child</module>
  </modules>

@SuppressWarnings("module")
module okhttp3.modules {
  requires okhttp3;
  requires okhttp3.logging;
  requires jdk.crypto.ec;
  exports okhttp3.modules;

{
  "formatVersion": "1.1",
  "component": {
    "group": "${pom.groupId}",
    "module": "${pom.artifactId}",
    "version": "${pom.version}",
    "attributes": {
      "org.gradle.status": "${module.status}"
    }
  },
  "createdBy": {
    "maven": {
      "version": "${maven.version}",
      "buildId": "${maven.build.version}"
    }
  },
  "variants": [
    {
      "name": "${variant.jvmEnvironmentVariantName}ApiElements",