lastBuildDuration: function() { var duration; duration = this.get('_lastBuildDuration'); if (!duration) { duration = durationFromHelper(this.get('lastBuildStartedAt'), this.get('lastBuildFinishedAt')); } return duration; }.property('_lastBuildDuration', 'lastBuildStartedAt', 'lastBuildFinishedAt'),
elapsedTime: function() { return durationFrom(this.get('item.startedAt'), this.get('item.finishedAt')); }.property('item.startedAt', 'item.finishedAt', 'item.duration')