algoliasearch/src/main/java/com/algolia/search/saas/Index.java
public Request searchForFacetValuesAsync(@NonNull String facetName, @NonNull String text, @NonNull final CompletionHandler handler) throws AlgoliaException {
        return searchForFacetValuesAsync(facetName, text, /* requestOptions: */ null, handler);
    }
public Request searchForFacetValuesAsync(@NonNull String facetName, @NonNull String text, @NonNull final CompletionHandler handler) throws AlgoliaException {
        return searchForFacetValuesAsync(facetName, text, /* requestOptions: */ null, handler);
    }
Searches (asynchronously) for some text in a facet values.

@param facetName The name of the facet to search. It must have been declared in the index's `attributesForFaceting` setting with the `searchable()` modifier.
@param text      The text to search for in the facet's values.
@param handler   A Completion handler that will be notified of the request's outcome.
@return A cancellable request.