import { AgoraRtcStreamLayer, AgoraRtcVideoStreamType } from '../rtc/type';
export declare const convertStreamLayerToStreamType: (streamLayer: AgoraRtcStreamLayer) => AgoraRtcVideoStreamType;
export declare const isPublicAgoraServer: (serverList: string[]) => boolean;
/**
 * 移除URL端口号
 * @param url URL字符串
 * @returns 移除端口号的URL
 */
export declare const stripPort: (url: string) => string;