export type UserVolume = {
    userId: string;
    volume: number;
};
export type RTCEventType = {
    'error'(error: Error): void;
    'initWillStart'(): void;
    'inited'(): void;
    'joinWillStart'(): void;
    'joined'(): void;
    'weakNetwork'(): void;
    'userVolumes'(userVolumes: UserVolume[]): void;
};
export declare enum RTCErrorType {
}