code: public SpatialViewQuery stale(final Stale stale) {
          params[PARAM_STALE_OFFSET] = "stale";
          params[PARAM_STALE_OFFSET+1] = stale.identifier();
          return this;
      }
docs: Allow the results from a stale view to be used.
  
  See the "Stale" enum for more information on the possible options. The
  default setting is "update_after"!
  
  @param stale Which stale mode should be used.
  @return the {@link SpatialViewQuery} object for proper chaining.