</toolchains>
              </configuration>
            </execution>
          </executions>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
  <profiles>
    <profile>
      <id>sonatype-oss-release</id>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-gpg-plugin</artifactId>
            <version>${maven-gpg-plugin.version}</version>

                </toolchains>
              </configuration>
            </execution>
          </executions>
        </plugin>
      </plugins>
    </pluginManagement>
  </build>
  <profiles>
    <profile>
      <id>sonatype-oss-release</id>
      <build>
        <plugins>
          <plugin>
            <artifactId>maven-gpg-plugin</artifactId>
            <version>${maven-gpg-plugin.version}</version>

        activeProfileId.addAll(request.getProfileActivation().getOptionalActiveProfileIds());

        return request.getProfiles().stream()
                .filter(profile -> activeProfileId.contains(profile.getId()))
                .map(ModelBase::getProperties)
                .flatMap(properties -> properties.entrySet().stream())
                .filter(e -> e.getValue() != null)

                .mirrors(request.getMirrors().stream().map(Mirror::getDelegate).collect(Collectors.toList()))
                .profiles(request.getProfiles().stream()
                        .map(Profile::getDelegate)
                        .map(SettingsUtilsV4::convertToSettingsProfile)
                        .collect(Collectors.toList()))

    @Override
    protected void mergeModel_Profiles(
            Model.Builder builder, Model target, Model source, boolean sourceDominant, Map<Object, Object> context) {
        Iterator<Profile> sourceIterator = source.getProfiles().iterator();
        builder.profiles(target.getProfiles().stream()
                .map(d -> mergeProfile(d, sourceIterator.next(), sourceDominant, context))
                .collect(Collectors.toList()));
    }

          <description>The identifier of this build profile. This is used for command line
            activation, and identifies profiles to be merged.
          </description>
        </field>
        <field>
          <name>activation</name>
          <version>4.0.0+</version>
          <description>The conditional logic which will automatically trigger the inclusion of this
            profile.</description>
          <association>

    /**
     * Gets the identifiers of all profiles that contributed to this project's effective model. This includes active
     * profiles from the project's POM and all its parent POMs as well as from external sources like the
     * {@code settings.xml}. The profile identifiers are grouped by the identifier of their source, e.g.
     * {@code <groupId>:<artifactId>:<version>} for a POM profile or {@code external} for profiles from the

                    .get());
            options.addOption(Option.builder(ACTIVATE_PROFILES)
                    .longOpt("activate-profiles")
                    .desc(
                            "Comma-delimited list of profiles to activate. Don't use spaces between commas or double quote the full list. Prefixing a profile with ! excludes it, and ? marks it as optional.")
                    .hasArg()
                    .get());

     */
    @Nonnull
    Optional<Boolean> updateSnapshots();

    /**
     * Returns the list of profiles to activate.
     *
     * @return an {@link Optional} containing the list of profile names to activate, or empty if not specified
     */
    @Nonnull
    Optional<List<String>> activatedProfiles();

    /**

    void testPrefixNegated() throws Exception {
        Profile profile = newProfile("!1.4");

        assertActivation(false, profile, newContext(null, newProperties("1.4")));
        assertActivation(false, profile, newContext(null, newProperties("1.4.2")));
        assertActivation(false, profile, newContext(null, newProperties("1.4.2_09")));
        assertActivation(false, profile, newContext(null, newProperties("1.4.2_09-b03")));