import type { CSSUnit, CSSUnitName, GrowDirection } from '../types';
export type UnitHandle = {
    elementDimension: (element: HTMLElement | null) => number;
    getOffsetStep: () => number;
    fromPxToValue: (px: number) => number;
    roundValue: (value: number) => number;
    toCSSValue: (value: number) => string;
    name: CSSUnitName;
};
export declare function useUnitHandle(growDirection: GrowDirection, unit: CSSUnit): UnitHandle;