void () { if (myDisposable != null) { Disposer.dispose(myDisposable); myDisposable = null; } if (myCommittedChangesProvider != null) { myCommittedChangesProvider.deactivate(); myCommittedChangesProvider = null; } mySvnBranchPointsCalculator.deactivate(); mySvnBranchPointsCalculator = null; }