INTERFACE PaneVBT;

a PaneVBT is the main VBT displayed in a VBTPane. most document panes will be VBTPanes.

IMPORT VBT;
IMPORT Rd, Wr;
IMPORT PaneManOp;
TYPE
  T = VBT.Leaf OBJECT
  METHODS
    init(rd: Rd.T; pm: PaneManOp.T): T;
    write(wr: Wr.T);
    clone(): T;
  END;

END PaneVBT.