import type { NewTablePropSet, TablePlugin } from '../types/TablePlugin.js';
export type ValidChildrenKey<Item> = {
    [Key in keyof Item]: Item[Key] extends Item[] ? Key : never;
}[keyof Item];
export type ValidChildrenFn<Item> = (item: Item) => Item[] | undefined;
export interface SubRowsConfig<Item> {
    children: ValidChildrenKey<Item> | ValidChildrenFn<Item>;
}
export declare const addSubRows: <Item>({ children }: SubRowsConfig<Item>) => TablePlugin<Item, Record<string, never>, Record<string, never>, NewTablePropSet<never>>;