<groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin-configuration</artifactId>
        <version>1.0</version>
        <executions>
          <execution>
            <phase>validate</phase>
            <goals>
              <goal>config</goal>
            </goals>
            <configuration>
              <stringParams>
                <stringParam>one</stringParam>

          <name>type</name>
          <version>1.0.0+</version>
          <type>String</type>
          <required>true</required>
          <description>
            The Java type for this parameter. This is used to validate the result of any expressions used to calculate
            the value which should be injected into the Mojo for this parameter.
          </description>
        </field>
        <field>
          <name>required</name>

import org.apache.maven.api.annotations.Experimental;

/**
 * <a href="/ref/3.0.4/maven-core/lifecycles.html">Lifecycle phases</a>.
 *
 * @since 4.0.0
 */
@Experimental
public enum LifecyclePhase {
    VALIDATE("validate"),
    INITIALIZE("initialize"),
    GENERATE_SOURCES("generate-sources"),
    PROCESS_SOURCES("process-sources"),
    GENERATE_RESOURCES("generate-resources"),
    PROCESS_RESOURCES("process-resources"),

        <groupId>org.apache.maven.its.plugins</groupId>
        <artifactId>maven-it-plugin-expression</artifactId>
        <version>2.1-SNAPSHOT</version>
        <executions>
          <execution>
            <phase>validate</phase>
            <goals>
              <goal>eval</goal>
            </goals>
            <configuration>
              <outputFile>target/extension.properties</outputFile>
              <expressions>

            <listParam>CHILD-4</listParam>
          </listParam>
        </configuration>
        <executions>
          <execution>
            <id>test</id>
            <phase>validate</phase>
            <goals>
              <goal>config</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

            <listParam>PASSED-2</listParam>
            <listParam>PASSED-4</listParam>
          </listParam>
        </configuration>
        <executions>
          <execution>
            <phase>validate</phase>
            <goals>
              <goal>config</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

        <artifactId>maven-it-plugin</artifactId>
        <version>0.1</version>
        <executions>
          <execution>
            <id>test</id>
            <phase>validate</phase>
            <goals>
              <goal>it</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

/**
 * Checks the model for missing or invalid values.
 *
 */
@Deprecated
public interface ModelValidator {

    String ROLE = ModelValidator.class.getName();

    ModelValidationResult validate(Model model);

    // The expressions help a lot, but we need a clean to pick up a directory of POMs, automatically load
    // them into a resolver, create the expression to extract the data to validate the Model, and the URI
    // to validate the properties. We also need a way to navigate from the Tex specification documents to
    // the test in question and vice versa. A little Eclipse plugin would do the trick.

@Deprecated
@Named
@Singleton
public class DefaultModelValidator implements ModelValidator {

    @Inject
    private org.apache.maven.model.validation.ModelValidator modelValidator;

    public ModelValidationResult validate(Model model) {
        ModelValidationResult result = new ModelValidationResult();

        ModelBuildingRequest request =