return managedVersionMap;
    }

    @Override
    public boolean equals(Object other) {
        if (other == this) {
            return true;
        } else if (!(other instanceof MavenProject)) {
            return false;
        }

        MavenProject that = (MavenProject) other;

        return Objects.equals(getArtifactId(), that.getArtifactId())

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on the concept of a project object model: buil ds, dependency management, documentation creation, site publication, and distribution publication are all controlled from the declarative file. Maven can be extended by plugins to utilise a number of other d evelopment tools for reporting or the build process. Specification-Vendor: Apache Software Foundation Implementation-Vendor: Apache Software Foundation Implementation-Title: maven-plugin-api Implementation-Version: 2.0 org/apache/maven/plugin/AbstractMojo.class...

         * the first occurrence. So when we're in lenient/compat mode, we have to deal with such broken POMs and mimic
         * the way 2.x works. When we're in strict mode, the removal of duplicates just saves other merging steps from
         * aftereffects and bogus error messages.
         */
        List<Dependency> dependencies = model.getDependencies();

          <code>
            <![CDATA[
    /**
     * @see java.lang.Object#equals(java.lang.Object)
     */
    public boolean equals(Object other) {
        if (other instanceof Plugin) {
            Plugin otherPlugin = (Plugin) other;
            return getKey().equals(otherPlugin.getKey());
        }
        return false;
    }

    /**
     * @see java.lang.Object#hashCode()

         * using DefaultRepositoryLayout requires us to enforce usage of the artifact's base version. This
         * transformation however contradicts the other use case of precisely obeying the repository's layout. The below
         * flag tries to detect which use case applies to make both plugins happy.
         */

                    "The plugin " + pluginDescriptor.getId() + " has unmet prerequisites: " + messages,
                    prerequisiteExceptions.get(0));
            // the first exception is added as cause, all other ones as suppressed exceptions
            prerequisiteExceptions.stream().skip(1).forEach(pie::addSuppressed);
            throw pie;
        }
    }

    @Override
    @Deprecated

     * Aggregating mojo executions (possibly) modify all MavenProjects, including those that are currently in use
     * by concurrently running mojo executions. To prevent race conditions, an aggregating execution will block
     * all other executions until finished.
     * We also lock on a given project to forbid a forked lifecycle to be executed concurrently with the project.
     * TODO: ideally, the builder should take care of the ordering in a smarter way

     * <p>
     * Effective properties are computed from system, user and optionally project properties, layered with
     * defined precedence onto each other to achieve proper precedence. Precedence is defined as:
     * <ul>
     *     <li>System properties (lowest precedence)</li>
     *     <li>Project properties (optional)</li>

        assertEquals("mail-archive", pom.getValue("mailingLists[1]/archive"));
        assertEquals(1, ((List<?>) pom.getValue("mailingLists[1]/otherArchives")).size());
        assertEquals("other-archive", pom.getValue("mailingLists[1]/otherArchives[1]"));

        assertEquals("2.0.1", pom.getValue("prerequisites/maven"));

        assertEquals("https://project.url/trunk", pom.getValue("scm/url"));