code: public static SyncMapPermissionFetcher fetcher(final String pathServiceSid, 
                                                     final String pathMapSid, 
                                                     final String pathIdentity) {
          return new SyncMapPermissionFetcher(pathServiceSid, pathMapSid, pathIdentity);
      }
docs: Create a SyncMapPermissionFetcher to execute fetch.
  
  @param pathServiceSid The service_sid
  @param pathMapSid Sync Map SID or unique name.
  @param pathIdentity Identity of the user to whom the Sync Map Permission
  applies.
  @return SyncMapPermissionFetcher capable of executing the fetch