<modelVersion>4.0.0</modelVersion>
  <groupId>maven</groupId>
  <artifactId>p2</artifactId>
  <packaging>pom</packaging>
  <name>p2</name>
  <version>1.0</version>
  <mailingLists>
    <mailingList>
      <name>mailing-list</name>
    </mailingList>
  </mailingLists>

  <url>http://www.apache.org/</url>

  <mailingLists>
    <mailingList>
      <name>parent</name>
      <post>******@****.***</post>
      <subscribe>******@****.***</subscribe>
      <unsubscribe>******@****.***</unsubscribe>
    </mailingList>
  </mailingLists>

  <build>
    <plugins>
      <plugin>

  <url>http://www.apache.org/child/</url><!-- child's artifactId appended to parent url -->

  <mailingLists>
    <mailingList>
      <name>parent</name>
      <subscribe>******@****.***</subscribe>
      <unsubscribe>******@****.***</unsubscribe>
      <post>******@****.***</post>
    </mailingList>
  </mailingLists>

  <build>
    <plugins>
      <plugin>

  <groupId>maven.t02</groupId>
  <artifactId>p2</artifactId>
  <packaging>pom</packaging>
  <name>p2</name>
  <version>1.0</version>
  <mailingLists>
    <mailingList>
      <name>mailing-list</name>
    </mailingList>
  </mailingLists>

  <version>12-SNAPSHOT</version>

  <mailingLists>
    <!--mailingList> MNG-3124: no way to add a list to parent content, only full override
      <name>child</name>
      <post>******@****.***</post>
      <subscribe>******@****.***</subscribe>
      <unsubscribe>******@****.***</unsubscribe>
    </mailingList-->
  </mailingLists>

  <build>
    <plugins>
      <plugin>

                                .parent(null)
                                .mixins(null)
                                .build(null),
                        model)
                .mailingLists(null)
                .issueManagement(null)
                .scm(
                        model.getScm() != null
                                ? Scm.newBuilder(model.getScm(), true)

          </association>
        </field>
        <field xdoc.separator="blank">
          <name>mailingLists</name>
          <version>3.0.0+</version>
          <description>Contains information about a project's mailing lists.</description>
          <association>
            <type>MailingList</type>
            <multiplicity>*</multiplicity>
          </association>
        </field>

/**
 * Tests {@code MailingList}.
 *
 */
class MailingListTest {

    @Test
    void testHashCodeNullSafe() {
        new MailingList().hashCode();
    }

    @Test
    void testEqualsNullSafe() {
        assertFalse(new MailingList().equals(null));

        new MailingList().equals(new MailingList());
    }

    @Test
    void testEqualsIdentity() {

            }
        }

        private void visit(MailingList mailingList) {
            if (mailingList != null) {
                String org, val;
                // Name
                org = mailingList.getName();
                val = interpolate(org);
                if (org != val) {
                    mailingList.setName(val);
                }
                // Subscribe

            return getLicenseKey(license);
        }
    }

    /**
     * KeyComputer for MailingList
     */
    private class MailingListKeyComputer implements KeyComputer<MailingList> {
        @Override
        public Object key(MailingList mailingList) {
            return getMailingListKey(mailingList);
        }
    }

    /**
     * KeyComputer for Developer
     */