You found a bug! We've classified it as
a bug in our system.
We encourage you to continue the discussion and to find an acceptable workaround while we work on a permanent fix.
[4.2.1] Grids/Trees: "lockedGrid" + "normalGrid" should be documented as properties
Please either make them public or protected, since anyone subclassing a locked grid will definitely need access to those.
Thanks for the report! I have opened a bug in our bug tracker.
Sencha Premium Member
Bump. Add simple doc string maybe?