MavenOptions options = parseArgs("maven.config", args);
            if (options.goals().isPresent()) {
                // This file can only contain options, not args (goals or phases)
                throw new IllegalArgumentException("Unrecognized entries in maven.config (" + configFile + ") file: "
                        + options.goals().get());
            }
            return options;
        } catch (ParseException e) {

        <version>2.1-SNAPSHOT</version>
        <executions>
          <execution>
            <id>compile-classpath</id>
            <phase>validate</phase>
            <goals>
              <goal>compile</goal>
            </goals>
            <configuration>
              <compileClassPath>${project.build.directory}/compile.classpath</compileClassPath>
              <significantPathLevels>1</significantPathLevels>

        this.showErrors = showErrors;

        return this;
    }

    @Override
    public MavenExecutionRequest setGoals(List<String> goals) {
        if (goals != null) {
            this.goals = new ArrayList<>(goals);
        } else {
            this.goals = null;
        }

        return this;
    }

    @Override

     * per line (similar to {@code maven.conf}) and {@code '#'} (hash) marked comment lines are allowed. Goals, if
     * present, are appended, to those specified on CLI input, if any.
     */
    Optional<String> atFile();

    /**
     * Returns the list of goals and phases to execute.
     *

    private Plugin newPlugin(String artifactId, String... goals) {
        Plugin plugin = new Plugin();

        plugin.setGroupId("org.apache.maven.plugins");
        plugin.setArtifactId(artifactId);

        for (String goal : goals) {
            PluginExecution pluginExecution = new PluginExecution();
            pluginExecution.setId("default-" + goal);
            pluginExecution.addGoal(goal);
            plugin.addExecution(pluginExecution);

            <model>src/main/mdo/toolchains.mdo</model>
          </models>
        </configuration>
        <executions>
          <execution>
            <id>velocity</id>
            <goals>
              <goal>velocity</goal>
            </goals>
            <phase>generate-sources</phase>
            <configuration>
              <templates>
                <template>model-v3.vm</template>
              </templates>

          <velocityBasedir>${project.basedir}/../../src/mdo</velocityBasedir>
        </configuration>
        <executions>
          <execution>
            <id>modello-v3</id>
            <goals>
              <goal>velocity</goal>
            </goals>
            <configuration>
              <version>1.1.0</version>
              <models>
                <model>../../api/maven-api-metadata/src/main/mdo/metadata.mdo</model>

            <executions>
              <execution>
                <id>sign-artifacts</id>
                <phase>verify</phase>
                <goals>
                  <goal>sign</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
        </plugins>
      </build>
    </profile>
  </profiles>

          </params>
        </configuration>
        <executions>
          <execution>
            <id>modello</id>
            <goals>
              <goal>velocity</goal>
              <goal>xdoc</goal>
              <goal>xsd</goal>
            </goals>
            <phase>generate-resources</phase>
          </execution>
        </executions>
      </plugin>
      <plugin>

          </params>
        </configuration>
        <executions>
          <execution>
            <id>modello</id>
            <goals>
              <goal>velocity</goal>
              <goal>xdoc</goal>
              <goal>xsd</goal>
            </goals>
            <phase>generate-resources</phase>
          </execution>
        </executions>
      </plugin>
      <plugin>