public static Path makeCollectionIndexPath(String topCollectionName, Path dir, String suffix) {
    """
	Create standard name = topCollectionName + last directory
	@param topCollectionName from config, name of the collection
	@param dir directory for this
	@return  standard collection name, to name the index file
    """
    String collectionName = makeCollectionName(topCollectionName, dir);
    return Paths.get(dir.toString(), collectionName + suffix);
  }
public static Path makeCollectionIndexPath(String topCollectionName, Path dir, String suffix) {
    String collectionName = makeCollectionName(topCollectionName, dir);
    return Paths.get(dir.toString(), collectionName + suffix);
  }
public static Path makeCollectionIndexPath ( String topCollectionName , Path dir , String suffix ) { String collectionName = makeCollectionName ( topCollectionName , dir ) ; return Paths . get ( dir . toString ( ) , collectionName + suffix ) ; }
Create standard name = topCollectionName + last directory
@param topCollectionName from config, name of the collection
@param dir directory for this
@return  standard collection name, to name the index file
Create standard name = topCollectionName + last directory