message: Exposing the
diff: @@ -21,7 +21,7 @@ mod facet_collector;
  pub use self::facet_collector::FacetCollector;
  mod chained_collector;
  -pub use self::chained_collector::chain;
  +pub use self::chained_collector::{chain, ChainedCollector};
  /// Collectors are in charge of collecting and retaining relevant
  /// information from the document found and scored by the query.
  