docs: function isInstanceOf(value, expectedInstance, message, id) {
      if (message === void 0) { message = ''; }
      if (id === void 0) { id = ''; }
      if (this.enabled && !(value instanceof expectedInstance)) {
          throw ValueException.unexpectedValue(assertionTypes.INSTANCE_OF, value, expectedInstance, message, id);
      }
  }