TDecisionPivotState = (
  psNone,
  psLeftPivot,
  psMiddlePivot,
  psRightPivot,
  psTopPivot
);

enum TDecisionPivotState {
  psNone,
  psLeftPivot,
  psMiddlePivot,
  psRightPivot,
  psTopPivot
};