CodeSignal
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@@ -42,12 +42,24 @@ Collection.ensureIndex(selector, options);
 
 Ensures an index exists. Similar to the built-in `createIndex`, but handles the case where the index already exists with different options by removing and re-adding the index with the new options. To ensure your database has the same indexes across different environments, you might want to add `ensureIndex` calls to `Meteor.startup`.
 
+```js
+Collection.ensureIndexAsync(selector, options);
+```
+
+Similar to `ensureIndex`, but returns a Promise that is resolved when the index is created. This method is compatible with Meteor 3.0.
+
 ```js
 Collection.ensureNoIndex(selector);
 ```
 
 The reverse of `ensureIndex`. You might want to call this in `Meteor.startup` to make sure an index has been removed in all of your deployed environments.
 
+```js
+Collection.ensureNoIndexAsync(selector);
+```
+
+Similar to `ensureNoIndex`, but returns a Promise that is resolved when the index is dropped. This method is compatible with Meteor 3.0.
+
 ```js
 Collection.aggregate(pipeline, ?options);
 ```