Fields to be deprecated:
GridFS

• protected final DB _db;
• protected final String _bucketName;
• protected final DBCollection _filesCollection;
• protected final DBCollection _chunkCollection;

GridFSFile

• protected GridFS _fs;

Following methods will be added to use instead:

• GridFS.getFilesCollection()
• GridFS.getChunksCollection()
• GridFSFile.getGridFS()

For other deprecated fields there are getters already.