@BeforeEach
    void setUp() {
        repositorySystem = new TestRepositorySystem();
    }

    @Test
    void testCacheKey() throws Exception {
        Artifact a1 = repositorySystem.createArtifact("testGroup", "testArtifact", "1.2.3", "jar");
        @SuppressWarnings("deprecation")
        ArtifactRepository lr1 = new DelegatingLocalArtifactRepository(repositorySystem.createDefaultLocalRepository());

    }

    @Test
    void testShouldExtractPluginArtifacts() throws Exception {
        PluginDescriptor pd = new PluginDescriptor();

        Artifact artifact = createArtifact("testGroup", "testArtifact", "1.0");

        pd.setArtifacts(Collections.singletonList(artifact));

        ExpressionEvaluator ee = createExpressionEvaluator(createDefaultProject(), pd, new Properties());

    Properties testProp = new Properties();

    Map<String, String> result = Maps.fromProperties(testProp);
    assertTrue(result.isEmpty());
    testProp.setProperty("first", "true");

    result = Maps.fromProperties(testProp);
    assertEquals("true", result.get("first"));
    assertEquals(1, result.size());
    testProp.setProperty("second", "null");

    Properties testProp = new Properties();

    Map<String, String> result = Maps.fromProperties(testProp);
    assertTrue(result.isEmpty());
    testProp.setProperty("first", "true");

    result = Maps.fromProperties(testProp);
    assertEquals("true", result.get("first"));
    assertEquals(1, result.size());
    testProp.setProperty("second", "null");

        void shouldHandlePOMWithSpecialCharacters() throws Exception {
            String pomXml = PomBuilder.create()
                    .groupId("com.example-test_group")
                    .artifactId("test-project.artifact")
                    .version("1.0.0-SNAPSHOT")
                    .build();

            Document document = Document.of(pomXml);