@mui/x-data-grid/models/gridColumnSpanning.d.ts

The Community plan edition of the Data Grid components (MUI X).

export type GridColumnIndex = number;
export type GridCellColSpanInfo = {
  spannedByColSpan: true;
  rightVisibleCellIndex: GridColumnIndex;
  leftVisibleCellIndex: GridColumnIndex;
} | {
  spannedByColSpan: false;
  cellProps: {
    colSpan: number;
    width: number;
  };
};