/**
 * Copied from chakra-ui, license MIT
 * Accessed 2021-12-26, Commit November 4th, 2021
 * See also: https://github.com/chakra-ui/chakra-ui/blob/abc4d29/packages/utils/src/breakpoint.ts
 */
import { Dict } from "./types";
export declare function px(value: number | string | null): string | null;
export declare function analyzeBreakpoints(breakpoints: Dict): {
    keys: Set<string>;
    normalized: string[];
    isResponsive(test: Dict): boolean;
    asObject: Dict;
    asArray: string[];
    details: {
        breakpoint: string;
        minW: any;
        maxW: any;
        maxWQuery: string;
        minWQuery: string;
        minMaxQuery: string;
    }[];
    media: (string | null)[];
    toArrayValue(test: Dict): any[];
    toObjectValue(test: any[]): any;
} | null;
export type AnalyzeBreakpointsReturn = ReturnType<typeof analyzeBreakpoints>;