This class defines a grouping and sorting information for the view.
getGroupingLength()
getGroupingMode()
getProperty()
getSortingMode()
isManualSorting()
setGroupingLength($value)
setGroupingMode($value)
setManualSorting($value)
setProperty($property)
setSortingMode($value)
$grouping : string
$groupingLength : int
$manualSorting : bool
$property : string
$sorting : string