import { Row } from "../../types.js";
export declare function valueUp(value: any, key: string): any;
export declare function valueDown(value: any, key: string): any;
export declare function up<xRow extends Row>(row: Partial<xRow>): any;
export declare function down<xRow extends Row>(data: any): xRow;
export declare function ups<xRow extends Row>(rows: Partial<xRow>[]): any[];
export declare function downs<xRow extends Row>(rows: any[]): xRow[];