import React from 'react';
export declare const screenSizes: readonly ["tiny", "small", "medium", "large", "extraLarge"];
export declare type Size = typeof screenSizes[number];
export declare class ScreenSize {
    size: Size;
    constructor(size: Size);
    toString(): string;
    valueOf(): number;
}
declare type SizeCache = ScreenSize[] & {
    [K in Size]: ScreenSize;
};
export declare const SIZES: SizeCache;
export declare const ScreenSizeContext: React.Context<ScreenSize>;
export declare const useScreenSize: () => ScreenSize;
export declare const ScreenSizeProvider: React.FC<{
    children: React.ReactNode;
}>;
export default ScreenSizeProvider;