code: private void clearStoreNFC( final Set<String> sourcePaths, ArtifactStore store )
              throws IndyDataException
      {
          Set<String> paths = sourcePaths.stream()
                                         .map( sp -> sp.startsWith( "/" ) && sp.length() > 1 ? sp.substring( 1 ) : sp )
                                         .collect( Collectors.toSet() );
  
          paths.forEach( path -> {
              ConcreteResource resource = new ConcreteResource( LocationUtils.toLocation( store ), path );
  
              logger.debug( "Clearing NFC path: {} from: {}\n\tResource: {}", path, store.getKey(), resource );
              nfc.clearMissing( resource );
          } );
  
          Set<Group> groups = storeManager.query().getGroupsAffectedBy( store.getKey() );
          if ( groups != null )
          {
              groups.forEach( group -> paths.forEach( path -> {
                  ConcreteResource resource = new ConcreteResource( LocationUtils.toLocation( group ), path );
  
                  logger.debug( "Clearing NFC path: {} from: {}\n\tResource: {}", path, group.getKey(), resource );
                  nfc.clearMissing( resource );
              } ) );
          }
      }
docs: NOTE: Adding sourcePaths parameter here to cut down on number of paths for clearing from NFC.
  
  @param sourcePaths The set of paths that need to be cleared from the NFC.
  @param store The store whose affected groups should have their NFC entries cleared
  @throws IndyDataException