export declare function calculateAudioMOS(bitrate: number, packetLoss: number, bufferDelayInMs: number, roundTripTimeInMs: number, dtxMode: boolean, fec: boolean): number;
export declare function calculateVideoMOS(bitrate: number, expectedWidth: number, expectedHeight: number, bufferDelayInMs: number, roundTripTimeInMs: number, codec: string, frameRate: number, expectedFrameRate: number): number;