/**
 * layout 响应式布局相关方法
 * 20220210 lyy
 * */
export type Breakpoint = 'xxl' | 'xl' | 'lg' | 'md' | 'sm' | 'xs';
export type ScreenMap = Partial<Record<Breakpoint, boolean>>;
export type ResponsiveMap = Partial<Record<Breakpoint, string>>;
export declare const canUseDocElement: () => boolean;
export declare const detectFlexGapSupported: () => boolean;
export declare const responsiveArray: Breakpoint[];
export declare const defaultResponsiveMap: Record<Breakpoint, string>;
type SubscribeFunc = (screens: ScreenMap) => void;
export declare const responsiveObserve: {
    matchHandlers: {
        [prop: string]: {
            mql: MediaQueryList;
            listener: ((this: MediaQueryList, ev: MediaQueryListEvent) => any) | null;
        };
    };
    setScreens(pointMap: ScreenMap): boolean;
    subscribe(func: SubscribeFunc, responsiveMap?: ResponsiveMap): number;
    unsubscribe(token: number, responsiveMap?: ResponsiveMap): void;
    register(responsiveMap: ResponsiveMap): void;
    unregister(responsiveMap: ResponsiveMap): void;
};
export {};