import type { GridColumnGroup, GridColumnGroupingModel } from "../../../models/gridColumnGrouping.mjs";
export type GridColumnGroupLookup = {
  [groupId: string]: Omit<GridColumnGroup, 'children'>;
};
export type GridGroupingStructure = {
  groupId: null | string;
  columnFields: string[];
};
export interface GridColumnsGroupingState {
  lookup: GridColumnGroupLookup;
  headerStructure: GridGroupingStructure[][];
  unwrappedGroupingModel: {
    [columnField: string]: GridColumnGroup['groupId'][];
  };
  maxDepth: number;
}
export interface GridColumnGroupingInternalCache {
  lastColumnGroupingModel?: GridColumnGroupingModel;
}