algoliasearch/src/main/java/com/algolia/search/saas/Client.java
public Request deleteIndexAsync(final @NonNull String indexName, CompletionHandler completionHandler) {
        return deleteIndexAsync(indexName, /* requestOptions: */ null, completionHandler);
    }
public Request deleteIndexAsync(final @NonNull String indexName, CompletionHandler completionHandler) {
        return deleteIndexAsync(indexName, /* requestOptions: */ null, completionHandler);
    }
Delete an index.

@param indexName         Name of index to delete.
@param completionHandler The listener that will be notified of the request's outcome.
@return A cancellable request.