import { Direction } from '../../queries/one/sort_table';
import { GroupAggregationOperation } from '../aggregation/group_aggregation_operation_parsing';
import { Key } from '../get_key_parsing';
export interface GroupOrderExpression {
    partOfKeyToTableAndProperty: {
        [partOfKey: string]: [string, string];
    };
    parameterNameToTableAlias: {
        [parameterName: string]: string;
    };
    operation: GroupAggregationOperation;
    direction: Direction;
}
export declare function createGroupOrderExpression(partOfKeyToTableAndProperty: {
    [partOfKey: string]: [string, string];
}, parameterNameToTableAlias: {
    [parameterName: string]: string;
}, operation: GroupAggregationOperation, direction: Direction): GroupOrderExpression;
export declare function parseGroupSorting(f: Function, direction: Direction, key: Key, numberOfTables: number): GroupOrderExpression;