code: public Suggestions autoSuggest(String query, AutoSuggestOptionalParameter autoSuggestOptionalParameter) {
          return autoSuggestWithServiceResponseAsync(query, autoSuggestOptionalParameter).toBlocking().single().body();
      }
docs: The AutoSuggest API lets you send a search query to Bing and get back a list of suggestions. This section provides technical details about the query parameters and headers that you use to request suggestions and the JSON response objects that contain them.
  
  @param query The user's search term.
  @param autoSuggestOptionalParameter the object representing the optional parameters to be set before calling this API
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws ErrorResponseException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the Suggestions object if successful.