import { OrderByConstraint, OriOrderByDirection, MetaType } from '../types';
/**
 * Creates a {@link QueryConstraint} that sorts the query result by the
 * specified field, optionally in descending order instead of ascending.
 *
 * @param fieldPath - The field to sort by.
 * @param directionStr - Optional direction to sort by ('asc' or 'desc'). If
 * not specified, order will be ascending.
 * @returns The created {@link Query}.
 */
export declare const orderBy: <T extends MetaType, FieldPath extends keyof T["compare"] & string, DirectionStr extends OriOrderByDirection | undefined = undefined>(fieldPath: FieldPath extends never ? FieldPath : FieldPath, directionStr?: (DirectionStr extends never ? DirectionStr : DirectionStr) | undefined) => OrderByConstraint<FieldPath, DirectionStr>;