import { RowsGrouping } from './types';
import { ObjectForExtending } from '../types';
import { SubRows } from '../feature-tree/types';

export declare function rowsGroupActiveInConfig<Row extends ObjectForExtending>(rowsGroupingConfig: RowsGrouping<Row> | undefined): rowsGroupingConfig is RowsGrouping<Row>;
export declare function rowKeyGetterForRowGroup<RowType extends ObjectForExtending>(r: RowType, rowsGrouping: RowsGrouping<RowType>): string | number;
export declare function getRowsGroupingSubrowsConfig<RowType extends ObjectForExtending, RowIdType extends string | number>(rowsGrouping: RowsGrouping<RowType>): SubRows<RowType, RowIdType>;