* <ul>
 * <li>setProfilingStarted</li>
 * <li>setBuildStarted</li>
 * <li>setSettingsEvaluated</li>
 * <li>setProjectsLoaded</li>
 * <li>setProjectsEvaluated</li>
 * <li>setBuildFinished</li>
 * </ul>
 */
@ServiceScope(Scope.BuildTree.class)
public class BuildProfile {

    private static final long NOT_INITIALIZED_VALUE = -1L;