src/vs/editor/browser/coreCommands.ts/ColumnSelectUpCommand/_getColumnSelectResult
class ColumnSelectUpCommand:		protected _getColumnSelectResult(viewModel: IViewModel, primary: CursorState, prevColumnSelectData: IColumnSelectData, args: Partial<BaseCommandOptions>): IColumnSelectResult {
			return ColumnSelection.columnSelectUp(viewModel.cursorConfig, viewModel, prevColumnSelectData, this._isPaged);
		}