export type Breakpoint = 'xs' | 'sm' | 'md' | 'lg' | 'xl';
export declare const breakpoints: {
    [key in Breakpoint]: number;
};
export interface Breakpoints {
    size: typeof breakpoints;
    down(breakpoint: Breakpoint): string;
    up(breakpoint: Breakpoint): string;
}
export declare const createBreakpoints: () => Breakpoints;