/**
     * Set configuration to pass to the goals.
     *
     * @param configuration a configuration object.
     */
    public void setConfiguration(Object configuration) {
        this.configuration = configuration;
    } // -- void setConfiguration( Object )

    /**
     * Set the goals to execute.
     *
     * @param goals a goals object.
     */

                        <goals>
                            <goal>compile</goal>
                        </goals>
                    </execution>
                    <execution>
                        <id>test-compile</id>
                        <phase>process-test-sources</phase>
                        <goals>
                            <goal>test-compile</goal>
                        </goals>

 *   <li>{@link org.apache.maven.cling.invoker.mvnup.goals.Apply} - Applies upgrades to project files</li>
 *   <li>{@link org.apache.maven.cling.invoker.mvnup.goals.Help} - Displays usage information</li>
 * </ul>
 *
 * <h3>Upgrade Strategies</h3>
 * <p>The tool uses a strategy pattern to handle different types of upgrades:</p>
 * <ul>

            <phase>initialize</phase>
            <goals>
              <goal>set</goal>
            </goals>
            <configuration>
              <mainFile>dependency-classes</mainFile>
            </configuration>
          </execution>
          <execution>
            <id>install</id>
            <phase>generate-sources</phase>
            <goals>
              <goal>set</goal>
              <goal>attach-pom</goal>

            if (context.options().goals().isEmpty()
                    || context.options().goals().get().size() != 1) {
                return badGoalsErrorMessage("No goal or multiple goals specified, specify only one goal.", context);
            }

            String goalName = context.options().goals().get().get(0);
            Goal goal = context.goals.get(goalName);

            if (goal == null) {

        <executions>
          <execution>
            <id>test</id>

            <!--  The key to this test... -->
            <inherited>false</inherited>

            <goals>
              <goal>compile</goal>
            </goals>
            <phase>install</phase>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

            if (context.options().goals().isEmpty()) {
                return badGoalsErrorMessage("No goals specified.", context);
            }

            String goalName = context.options().goals().get().get(0);
            Goal goal = context.goals.get(goalName);
            if (goal == null) {
                return badGoalsErrorMessage("Unknown goal: " + goalName, context);
            }

              <resourcePaths>maven-core-it.properties</resourcePaths>
              <pluginClassLoaderOutput>target/pcl.properties</pluginClassLoaderOutput>
            </configuration>
            <goals>
              <goal>load</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
  </build>

        <version>3.2.0</version>
        <executions>
          <execution>
            <id>copy-model</id>
            <phase>generate-sources</phase>
            <goals>
              <goal>copy</goal>
            </goals>
            <configuration>
              <artifactItems>
                <artifactItem>
                  <groupId>org.apache.maven</groupId>

          </params>
        </configuration>
        <executions>
          <execution>
            <id>velocity</id>
            <goals>
              <goal>velocity</goal>
            </goals>
            <phase>generate-sources</phase>
            <configuration>
              <templates>
                <template>merger.vm</template>