@mui/x-data-grid-pro/esm/utils/tree/models.d.ts

The Pro plan edition of the MUI X Data Grid components.

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;