code: public void queryProfiles(@NonNull final String queryString, @Nullable Callback<ComapiResult<List<Map<String, Object>>>> callback) {
          adapter.adapt(queryProfiles(queryString), callback);
      }
docs: Query user profiles on the services.
  
  @param queryString Query string. See https://www.npmjs.com/package/mongo-querystring for query syntax. You can use {@link QueryBuilder} helper class to construct valid query string.
  @param callback    Callback to deliver new session instance.