code: @SuppressWarnings({"WeakerAccess", "unused"}) // For library users
      public Searcher deleteFacet(String... attributes) {
          for (String attribute : attributes) {
              facetRequestCount.put(attribute, 0);
              facets.remove(attribute);
          }
          rebuildQueryFacets();
          return this;
      }
docs: Forces removal of one or several faceted attributes for the next queries.
  
  @param attributes one or more attribute names.
  @return this {@link Searcher} for chaining.