@Immutable
public interface Lifecycle extends ExtensibleEnum {

    String CLEAN = "clean";

    String DEFAULT = "default";

    String SITE = "site";

    String WRAPPER = "wrapper";

    /**
     * Name or identifier of this lifecycle.
     *
     * @return the unique identifier for this lifecycle
     */
    @Override
    String id();

    /**
     * Collection of phases for this lifecycle
     */

                            String goalPrefix = root.getChild("goalPrefix").getValue();
                            String name = root.getChild("name").getValue();
                            return new PluginInfo(groupId, artifactId, goalPrefix, name);
                        }
                    }
                } catch (Exception e) {

        public String getMessage() {
            return problem.getMessage();
        }

        @Override
        public Severity getSeverity() {
            return Severity.valueOf(problem.getSeverity().name());
        }
    }

        public String getMessage() {
            return problem.getMessage();
        }

        @Override
        public Severity getSeverity() {
            return Severity.valueOf(problem.getSeverity().name());
        }
    }

  <parent>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-api</artifactId>
    <version>4.0.0-beta-1-SNAPSHOT</version>
  </parent>

  <artifactId>maven-api-spi</artifactId>
  <name>Maven 4 API :: SPI</name>
  <description>Maven 4 API - Maven SPI.</description>

  <dependencies>
    <dependency>
      <groupId>org.apache.maven</groupId>
      <artifactId>maven-api-meta</artifactId>
    </dependency>

@Retention(RetentionPolicy.RUNTIME)
@Target({ElementType.FIELD, ElementType.METHOD})
@Inherited
public @interface Parameter {
    /**
     * name of the bean property used to get/set the field: by default, field name is used.
     * @return the name of the bean property
     */
    @Nonnull
    String name() default "";

    /**
     * alias supported to get parameter value.
     * @return the alias
     */
    @Nonnull

        if (os == null) {
            return false;
        }

        boolean active = ensureAtLeastOneNonNull(os);

        String actualOsName = context.getSystemProperties().get("os.name").toLowerCase(Locale.ENGLISH);
        String actualOsArch = context.getSystemProperties().get("os.arch").toLowerCase(Locale.ENGLISH);

        return t;
    }

    static <T> T nonNull(T t, String name) {
        if (t == null) {
            throw new IllegalArgumentException(name + " cannot be null");
        }
        return t;
    }

    static <T> T cast(Class<T> clazz, Object o, String name) {
        if (!clazz.isInstance(o)) {
            throw new IllegalArgumentException(name + " is not an instance of " + clazz.getName());
        }

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-surefire-plugin</artifactId>
  <version>0.1</version>
  <packaging>maven-plugin</packaging>

  <name>Maven Integration Test Plugin</name>
  <description>
    A test plugin to assist testing of Maven core.
  </description>
  <inceptionYear>2009</inceptionYear>

  <distributionManagement>
    <repository>
      <id>maven-core-it</id>

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.apache.maven.its.plugins</groupId>
  <artifactId>maven-it-plugin</artifactId>
  <version>0.1</version>
  <packaging>maven-plugin</packaging>

  <name>Maven Integration Test Plugin</name>
  <description>
    A test plugin to assist testing of Maven core.
  </description>
  <inceptionYear>2009</inceptionYear>

  <distributionManagement>
    <repository>
      <id>maven-core-it</id>