import { MemoryInfo } from '@vueuse/core';
export declare function isMobileDevice(): boolean;
export declare function isMediumMemoryDevice(forceTrueIfNotEnable?: boolean): boolean;
export declare function isLowMemoryDevice(forceTrueIfNotEnable?: boolean): boolean;
export interface DeviceInfo {
    memory: MemoryInfo | undefined;
}
export declare function getDeviceInfo(): undefined | DeviceInfo;