import type { ImageWidth } from '@prezly/slate-types';
export type Size<U extends Unit = Unit> = {
    value: number;
    unit: U;
};
export type SizeString = ImageWidth;
export declare enum Unit {
    PIXELS = "px",
    PERCENTS = "%"
}
export declare function Size(size: Size | string): Size;
export declare function Size<U extends Unit>(size: Size<U>): Size<U>;
export declare function Size<U extends Unit>(value: number, unit: U): Size<U>;
export declare function unit(size: string): Unit;
export declare function toString(size: Size): ImageWidth;
export declare function toPixels(size: Size, containerWidth: number): Size<Unit.PIXELS>;
export declare function toPercents(size: Size, containerWidth: number): Size<Unit.PERCENTS>;
export declare function convert<U extends Unit>(size: Size, unit: U, containerWidth: number): Size<U>;
export declare function clamp<U extends Unit>(size: Size<U>, minSize: Size, maxSize: Size, containerWidth: number): Size<U>;