import { Observable } from 'rxjs';
/**
 * 网络状态
 */
export declare enum NetworkType {
    /** GPRS/EDGE */
    EDGE = "edge",
    /** 3G/4G*/
    WWAN = "wwan",
    /** WIFI */
    WIFI = "wifi",
}
/**
 * 获取网络状态
 */
export declare function getNetworkType(): Observable<NetworkType>;