import { EnforceNonEmptyRecord, ValueRecord } from '../../record';
import { AggregatableTable } from '../aggregatable_table';
import { SelectRows } from '../selection/select_rows';
import { SortGrouping } from './sort_grouping';
import { GroupSelectStatement } from '../../statements/group_select_statement';
import { Value } from '../../value';
export declare class GroupTable<T, K extends ValueRecord> {
    private readonly statement;
    constructor(statement: GroupSelectStatement);
    sortBy(sortBy: (key: K, table: AggregatableTable<T>, count: () => number) => Value): SortGrouping<T, K>;
    sortDescendinglyBy(sortBy: (key: K, table: AggregatableTable<T>, count: () => number) => Value): SortGrouping<T, K>;
    aggregate<A extends ValueRecord>(aggregation: (key: K, table: AggregatableTable<T>, count: () => number) => EnforceNonEmptyRecord<A> & A): SelectRows<A>;
}