private String value;

    private String canonical;

    private ListItem items;

    private interface Item {
        int INT_ITEM = 3;
        int LONG_ITEM = 4;
        int BIGINTEGER_ITEM = 0;
        int STRING_ITEM = 1;
        int LIST_ITEM = 2;
        int COMBINATION_ITEM = 5;

        int compareTo(Item item);

        int getType();

        boolean isNull();
    }

    /**

    }

    /**
     * Returns the last ExecutionPlanItem in the supplied phase. If no items are in the specified phase,
     * the closest executionPlanItem from an earlier phase item will be returned.
     *
     * @param requestedPhase the requested phase
     *                       The execution plan item
     * @return The ExecutionPlanItem or null if none can be found
     */

    }

    protected boolean isValueSet(PlexusConfiguration config, ExpressionEvaluator expressionEvaluator) {
        if (config == null) {
            return false;
        }

        // there are sub items ... so configuration is declared
        if (config.getChildCount() > 0) {
            return true;
        }

        String strValue = config.getValue();

        if (strValue == null || strValue.isEmpty()) {

     * for finalName directly in the plugin configuration section. It is also useful to ensure that - for example - a
     * List-typed parameter which expects items of type Artifact doesn't get a List full of Strings.
     *
     * @return <code>true</code> if the user should not be allowed to configure the parameter directly
     */
    boolean readonly() default false;

        final ProjectBuildList segments = buildList.getByTaskSegment(taskSegments.get(0));
        assertEquals(3, taskSegments.size(), "Stub data contains 3 segments");
        assertEquals(6, segments.size(), "Stub data contains 6 items");
        final ProjectSegment build = segments.get(0);
        assertNotNull(build);
    }

    private static LifecycleTaskSegmentCalculator getTaskSegmentCalculator() {

                    request.getArtifact(),
                    request.getRemoteRepositories());
        }
    }

    private static <T> List<T> toList(Collection<T> items) {
        return (items != null) ? new ArrayList<>(items) : null;
    }

            than specifying a value for finalName directly in the plugin configuration section. It is also useful to
            ensure that - for example - a List-typed parameter which expects items of type Artifact doesn't get a List
            full of Strings.
          </description>
        </field>
        <field>
          <name>description</name>
          <version>1.0.0+</version>

    private final List<ProjectSegment> items;

    public ProjectBuildList(List<ProjectSegment> items) {
        this.items = Collections.unmodifiableList(items);
    }

    // TODO Optimize; or maybe just rewrite the whole way aggregating mojos are being run.
    /**
     * Returns aProjectBuildList that contains only items for the specified taskSegment
     * @param taskSegment the requested task segment

                    public Entry<String, String> next() {
                        Entry<String, String> item = next;
                        if (item == null) {
                            throw new NoSuchElementException();
                        }
                        advance();
                        return item;
                    }
                };
            }

            @Override

    }

    // Some better conventions for the test poms needs to be created and each of these tests
    // that represent a verification of a specification item needs to be a couple lines at most.
    // The expressions help a lot, but we need a clean to pick up a directory of POMs, automatically load