@mui/x-data-grid/hooks/features/density/densityState.d.ts

The community edition of the data grid component (MUI X).

import { GridDensity } from '../../../models/gridDensity';
export interface GridDensityState {
    value: GridDensity;
    rowHeight: number;
    headerHeight: number;
    headerGroupingMaxDepth: number;
    factor: number;
}