Helper

Helper class for handling kanban filter and grid.

Method	Description	Available from version
getPresets	Gets filter presets for kanban.
getSelectorUserId	Gets user ID for user selection.
setSelectorUserId	Sets user ID for user selection.
getFilter	Gets fitler for kanban.
getDefaultFilterKey	Gets default filter key for kanban.
getGridId	Gets grid ID.
getGrid	Gets grid instance.