code: public static SyncMapItemFetcher fetcher(final String pathServiceSid, 
                                               final String pathMapSid, 
                                               final String pathKey) {
          return new SyncMapItemFetcher(pathServiceSid, pathMapSid, pathKey);
      }
docs: Create a SyncMapItemFetcher to execute fetch.
  
  @param pathServiceSid The service_sid
  @param pathMapSid The map_sid
  @param pathKey The key
  @return SyncMapItemFetcher capable of executing the fetch