private boolean updateFileID() {
		boolean fileIdWasNull = fileID == null;
		fileID = folderItem != null ? folderItem.getFileID() : versionedFolderItem.getFileID();
		return fileIdWasNull && fileID != null;
	}
Construct a new file instance with a specified name and a corresponding parent folder using
up-to-date folder items.
@param parent parent folder
@param name file name
@param folderItem local folder item
@param versionedFolderItem versioned folder item
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/GhidraFileData.java