import { EnforceNonEmptyRecord, ValueRecord } from '../../record';
import { AggregatableTable } from '../aggregatable_table';
import { SelectRows } from '../selection/select_rows';
import { SortGroupingOfTwoTables } from './sort_grouping_of_two_tables';
import { GroupSelectStatement } from '../../statements/group_select_statement';
import { Value } from '../../value';
export declare class GroupTwoTables<T1, T2, K extends ValueRecord> {
    private readonly statement;
    constructor(statement: GroupSelectStatement);
    sortBy(sortBy: (key: K, first: AggregatableTable<T1>, second: AggregatableTable<T2>, count: () => number) => Value): SortGroupingOfTwoTables<T1, T2, K>;
    sortDescendinglyBy(sortBy: (key: K, first: AggregatableTable<T1>, second: AggregatableTable<T2>, count: () => number) => Value): SortGroupingOfTwoTables<T1, T2, K>;
    aggregate<A extends ValueRecord>(aggregation: (key: K, first: AggregatableTable<T1>, second: AggregatableTable<T2>) => EnforceNonEmptyRecord<A> & A): SelectRows<A>;
}