import type { AudioStreamStats, VideoStreamStats, ScoresCalculatorConfig, DeviceType } from './types';
export declare class ScoresCalculator {
    private readonly config;
    constructor(config?: ScoresCalculatorConfig);
    calculateAudioMOS(stats: Partial<AudioStreamStats>): number;
    calculateVideoMOS(stats: Partial<VideoStreamStats>): number;
    calculateAVCompositeMOS(Qa: number, Qv: number, deviceType?: DeviceType): number;
    private mergeConfig;
    private normalizeAudioStats;
    private normalizeVideoStats;
}