Column definitions

interface StyleProps {
  width: number;
  minWidth: number;
  maxWidth: number;
  hidden: boolean;
  flex: number;
  menu?: boolean | Partial<MenuProps>;
  aggregationLevel?: number;
  aggregation?: AggregationType;
}
export interface MenuProps {
  column: boolean;
  filter: boolean;
  grid: boolean;
}
interface ColumnDef extends Partial<StyleProps> {
  headerName: string;
  field: string;
  children?: ColumnDef[];
  formatter?: (value: unknown) => string;
 
}