@Test
        void testWriteOperationBehavior() {
            // Create a Model with initial properties
            Model model = new Model();

            // Set initial properties using setProperties to establish the backend
            Properties initialProps = new Properties();
            initialProps.setProperty("initial.key", "initial.value");
            model.setProperties(initialProps);

        Object value = ee.evaluate(expr);

        assertEquals(expr, value);
    }

    @Test
    void testPOMPropertyExtractionWithMissingProjectWithDotNotation() throws Exception {
        String key = "m2.name";
        String checkValue = "value";

        Properties properties = new Properties();
        properties.setProperty(key, checkValue);

                    "WithComputedField-Input": {
                        "properties": {"name": {"type": "string", "title": "Name"}},
                        "type": "object",
                        "required": ["name"],
                        "title": "WithComputedField",
                    },
                    "WithComputedField-Output": {
                        "properties": {

      - name: Prepare Mimir for Maven 3.x
        shell: bash
        run: |
          mkdir -p ${{ env.MIMIR_BASEDIR }}
          cp .github/ci-mimir-session.properties ${{ env.MIMIR_BASEDIR }}/session.properties
          cp .github/ci-mimir-daemon.properties ${{ env.MIMIR_BASEDIR }}/daemon.properties
          cp .github/ci-extensions.xml .mvn/extensions.xml

      - name: Restore Mimir caches

        assertNotNull(result.getProblems());
        assertEquals(0, result.getProblems().size());
    }

    @Test
    void testBuildRequestWithUserToolchains() throws Exception {
        Properties props = new Properties();
        props.put("key", "user_value");
        ToolchainModel toolchain = new ToolchainModel();
        toolchain.setType("TYPE");
        toolchain.setProvides(props);

    }

    /**
     * Gets the user properties to use for interpolation and profile activation. The user properties have been
     * configured directly by the user on his discretion, e.g. via the {@code -Dkey=value} parameter on the command
     * line.
     *
     * @return The user properties, never {@code null}.
     */
    public Properties getUserProperties() {
        return request.getUserProperties();

*----+------+------+
| <<<*>>> | user properties, set from CLI with <<<-Dproperty=value>>> | <<<$\{skipTests\}>>> |
*----+------+------+
| <<<*>>> | model properties, such as project properties set in the pom | <<<$\{any.key\}>>> |
*----+------+------+
| <<<maven.home>>> | The path to the current Maven home. | <<<$\{maven.home\}>>> |

            entry.setValue(entry.getValue() + "x");
        }
        Object o21 = properties.get(KEY1);
        assertEquals(VALUE1 + "x", o21);

        baos = new ByteArrayOutputStream();
        properties.save(baos);

        properties = new MavenProperties();
        properties.load(new ByteArrayInputStream(baos.toByteArray()));
        Object o2 = properties.get(KEY1);

    /**
     * Gets the system properties to use for interpolation and profile activation. The system properties are collected
     * from the runtime environment like {@link System#getProperties()} and environment variables.
     *
     * @return The system properties, never {@code null}.
     */
    Properties getSystemProperties();

    /**

## Decision

### Types of properties that should not use lazy types

The guidelines below do not apply to all properties. There are cases where the lazy types should not be used:

#### Non-calculated values

These are inappropriate uses of lazy types:

```groovy
class Example {