return merged;
    }

    public String getGroupId() {
        return emptify(metadata.getGroupId());
    }

    public String getArtifactId() {
        return metadata.storedInGroupDirectory() ? "" : emptify(metadata.getArtifactId());
    }

    public String getVersion() {
        return metadata.storedInArtifactVersionDirectory() ? emptify(metadata.getBaseVersion()) : "";
    }

    public String getType() {

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>inheritance</groupId>
    <artifactId>empty</artifactId>
    <version>1</version>
  </parent>
  <artifactId>child</artifactId>

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>inheritance</groupId>
  <artifactId>empty</artifactId>
  <version>1</version>
  <modules>
    <module>child</module>
  </modules>
  <url></url>
  <scm>
    <connection> </connection>
    <developerConnection>  </developerConnection>
    <url></url>

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>inheritance</groupId>
    <artifactId>empty</artifactId>
    <version>1</version>
  </parent>
  <groupId>inheritance</groupId>
  <artifactId>child</artifactId>
  <version>1</version>
  <url></url>
  <scm>
    <connection></connection>

Guillaume Nodet <******@****.***> 1729859506 +0200

Guillaume Nodet <******@****.***> 1729859506 +0200

     *
     * @return an {@link Optional} containing the path to the alternate POM file, or empty if not specified
     */
    @Nonnull
    Optional<String> alternatePomFile();

    /**
     * Indicates whether Maven should operate in offline mode.
     *
     * @return an {@link Optional} containing true if offline mode is enabled, false if disabled, or empty if not specified
     */
    @Nonnull
    Optional<Boolean> offline();

        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> showVersionAndExit() {
        if (commandLine.hasOption(CLIManager.SHOW_VERSION_AND_EXIT)) {
            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> showVersion() {

    expectContents();
  }

  // retainAll(null)

  /*
   * AbstractCollection fails the retainAll(null) test when the subject
   * collection is empty, but we'd still like to test retainAll(null) when we
   * can. We split the test into empty and non-empty cases. This allows us to
   * suppress only the former.
   */

  @CollectionFeature.Require(SUPPORTS_REMOVE)
  @CollectionSize.Require(ZERO)

        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> offline() {
        if (commandLine.hasOption(CLIManager.OFFLINE)) {
            return Optional.of(Boolean.TRUE);
        }
        return Optional.empty();
    }

    @Override
    public Optional<Boolean> nonRecursive() {