docs: @Check
  	public void checkReservedAnnotation(XtendAnnotationTarget annotationTarget) {
  		if (!isIgnored(USED_RESERVED_SARL_ANNOTATION)) {
  			if (annotationTarget.getAnnotations().isEmpty() || !isRelevantAnnotationTarget(annotationTarget)) {
  				return;
  			}
  			final QualifiedName reservedPackage = this.qualifiedNameConverter.toQualifiedName(
  					EarlyExit.class.getPackage().getName());
  			final String earlyExitAnnotation = EarlyExit.class.getName();
  			for (final XAnnotation annotation : annotationTarget.getAnnotations()) {
  				final JvmType type = annotation.getAnnotationType();
  				if (type != null && !type.eIsProxy()) {
  					if (Objects.equal(type.getIdentifier(), earlyExitAnnotation)) {
  						// Special case: EarlyExit is allowed on events for declaring early-exit events
  						if (!(annotationTarget instanceof SarlEvent)) {
  							addIssue(
  									MessageFormat.format(Messages.SARLValidator_87, type.getSimpleName()),
  									annotation,
  									USED_RESERVED_SARL_ANNOTATION);
  						}
  					} else {
  						final QualifiedName annotationName = this.qualifiedNameConverter.toQualifiedName(
  								type.getIdentifier());
  						if (annotationName.startsWith(reservedPackage)) {
  							addIssue(
  									MessageFormat.format(Messages.SARLValidator_87, type.getSimpleName()),
  									annotation,
  									USED_RESERVED_SARL_ANNOTATION);
  						}
  					}
  				}
  			}
  		}
  	}