Options that determine exactly what data will be removed.

class RemovalOptions extends ChromeObject {
 RemovalOptions({var since, OriginTypesBrowsingData originTypes}) {
   if (since != null) this.since = since;
   if (originTypes != null) this.originTypes = originTypes;
 }
 RemovalOptions.fromProxy(JsObject jsProxy): super.fromProxy(jsProxy);

 /**
  * Remove data accumulated on or after this date, represented in milliseconds
  * since the epoch (accessible via the `getTime` method of the JavaScript
  * `Date` object). If absent, defaults to 0 (which would remove all browsing
  * data).
  */
 dynamic get since => jsProxy['since'];
 set since(var value) => jsProxy['since'] = jsify(value);

 /**
  * An object whose properties specify which origin types ought to be cleared.
  * If this object isn't specified, it defaults to clearing only "unprotected"
  * origins. Please ensure that you _really_ want to remove application data
  * before adding 'protectedWeb' or 'extensions'.
  */
 OriginTypesBrowsingData get originTypes => _createOriginTypesBrowsingData(jsProxy['originTypes']);
 set originTypes(OriginTypesBrowsingData value) => jsProxy['originTypes'] = jsify(value);
}