src/vs/workbench/browser/parts/activitybar/activitybarActions.ts/ViewContainerActivityAction/logAction
class ViewContainerActivityAction:	private logAction(action: string) {
		type ActivityBarActionClassification = {
			owner: 'sbatten';
			comment: 'Event logged when an activity bar action is triggered.';
			viewletId: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; comment: 'The view in the activity bar for which the action was performed.' };
			action: { classification: 'SystemMetaData'; purpose: 'FeatureInsight'; comment: 'The action that was performed. e.g. "hide", "show", or "refocus"' };
		};
		this.telemetryService.publicLog2<{ viewletId: String; action: String }, ActivityBarActionClassification>('activityBarAction', { viewletId: this.activity.id, action });
	}