import { GridKeyValue, GridRowId } from '@mui/x-data-grid';
export interface RowTreeBuilderGroupingCriterion {
    field: string | null;
    key: GridKeyValue | null;
}
export interface RowTreeBuilderNode {
    id: GridRowId;
    path: RowTreeBuilderGroupingCriterion[];
    serverChildrenCount?: number;
}
/**
 * Callback called when trying to insert a data row in the tree in place of an already existing data row.
 */
export type GridTreePathDuplicateHandler = (firstId: GridRowId, secondId: GridRowId, path: RowTreeBuilderGroupingCriterion[]) => void;