import type { ColumnName, Row, Value } from './data';
import type { AggregationMap } from './aggregate';
import type { OrderedMap } from '../utils';
export type GroupedData = GroupChunk[];
export type GroupChunk = {
    by: Partial<Row>;
    rows: Row[];
    columns?: Record<ColumnName, Value[]>;
    distinctColumns?: Record<ColumnName, Value[]>;
    aggregations?: AggregationMap;
};
export type GroupMap = OrderedMap<Value, GroupMap | Row[]>;