* starting at the root object contained in this value source, apply each part
         * to the object graph below this root, using either 'getXXX()' or 'isXXX()'
         * accessor types to resolve the value for each successive expression part.
         * Finally, return the result of the last expression part's resolution.</p>
         *

     *       at a deep intentionally restricted to one level, then builds a map of module names found
     *       in the descriptor of each sub-directory.</li>
     * </ul>
     *
     * Otherwise if the given path is a JAR file, then there is a choice:
     * <ul>
     *   <li>If a {@code module-info.class} file is found in the root directory or in a

     */
    @Nonnull
    Map<String, String> getSystemProperties();

    /**
     * Each invocation computes a new map of effective properties. To be used in interpolation.
     * <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>

        assertEquals(0, c2.compareTo(c1), "expected " + v2 + " == " + v1);
    }

    private void checkVersionsArrayEqual(String[] array) {
        // compare against each other (including itself)
        for (int i = 0; i < array.length; ++i)
            for (int j = i; j < array.length; ++j) checkVersionsEqual(array[i], array[j]);
    }

     * configuration expansion (merging configuration defined globally for a given plugin
     * using {@link org.apache.maven.api.model.Plugin#getConfiguration()}
     * into the configuration for each {@link org.apache.maven.api.model.PluginExecution}.
     */
    boolean isProcessPlugins();

    /**
     * Defines external profiles that may be activated for the given model.

  mode.

** Maven-Core

  We'll examine the different parts of maven-core on a case-by-case
  basis, below:

*** DefaultLifecycleExecutor

  When binding goals to the project's configured lifecycle, each mojo
  descriptor should declare whether it requires online/offline status.
  This value should be a java.lang.Boolean, so it can implement 3VL
  (three value logic: yes, no, don't-care). The requiresOnline

                    "Two or more projects in the reactor"
                            + " have the same identifier, please make sure that <groupId>:<artifactId>:<version>"
                            + " is unique for each project: " + collisions,
                    collisions);
        }

        return index;
    }

    private Result<? extends ProjectDependencyGraph> buildGraph(MavenSession session) {

          <version>1.0.0+</version>
          <association>
            <type>MojoDescriptor</type>
            <multiplicity>*</multiplicity>
          </association>
          <description>Description of each Mojo provided by the plugin.</description>
        </field>
        <field xdoc.separator="blank">
          <name>dependencies</name>
          <version>1.0.0/1.1.0</version>
          <association>

     */
    private final Map<PathType, List<Path>> dispatchedPaths;

    /**
     * The dependencies together with the path to each dependency.
     */
    private final Map<Dependency, Path> dependencies;

    /**
     * Information about modules in the main output. This field is initially null and is set to a non-null

implementations, including prebuilt support for the following: Log4J (version 1.2 or later) from Apache's Jakarta project. Each named Log instance is connected to a corresponding Log4J Logger. JDK Logging API, included in JDK 1.4 or later systems. Each named Log instance is connected to a corresponding java.util.logging.Logger instance. LogKit from Apache's Avalon project. Each named Log instance is connected to a corresponding LogKit Logger. NoOpLog implementation that simply swallows all log output,...