/**
     * Moderate trust - it was deployed directly by a user.
     */
    public static final ArtifactStatus DEPLOYED = new ArtifactStatus("deployed", 4);

    /**
     * Trusted, as it has had its data verified by hand.
     */
    public static final ArtifactStatus VERIFIED = new ArtifactStatus("verified", 5);

    private final int rank;

    private final String key;

    private static Map<String, ArtifactStatus> map;

            {@code partner}
            (directly synced from a partner Maven 2 repository), {@code deployed} (was deployed from a Maven 2
            instance), {@code verified} (has been hand verified as correct and final).
          </description>
          <required>false</required>
          <type>String</type>
        </field>
      </fields>
    </class>
    <class>

         * other specified dependency, will be subject to dependency collection/resolution, i.e. should have an artifact
         * descriptor and a corresponding artifact file. The root artifact on the other hand is only used
         * as a label for the root node of the graph in case no root dependency was specified. As such, the configured
         * root artifact is ignored if {@link #root(DependencyCoordinate)} has been set.
         *

      <description>
        This is the file specification used to activate a profile. The missing value will be the location
        of a file that needs to exist, and if it doesn't the profile must run.  On the other hand exists will test
        for the existence of the file and if it is there will run the profile.
      </description>
      <fields>
        <field>
          <name>missing</name>
          <version>1.0.0+</version>

        final List<String> stringList = Arrays.asList(
                "Thinkin", "of", "a", "master", "plan", "Cuz", "ain’t", "nuthin", "but", "sweat", "inside", "my",
                "hand");
        Iterator<String> lyrics = stringList.iterator();

        ExecutorService executor = Executors.newFixedThreadPool(10);
        CompletionService<ProjectSegment> service = new ExecutorCompletionService<>(executor);