import { DataStreamTrack } from "./DataStreamTrack";
export declare class DataTrackConstraints {
    deviceId?: string | undefined;
    groupId?: string | undefined;
    autoGainControl: boolean | undefined;
    channelCount: number | undefined;
    echoCancellation: boolean | undefined;
    latency: number | undefined;
    noiseSuppression: boolean | undefined;
    sampleRate: number | undefined;
    sampleSize: number | undefined;
    volume: number | undefined;
    whiteBalanceMode: number | undefined;
    exposureMode: number | undefined;
    focusMode: number | undefined;
    pointOfInterest: number | undefined;
    exposureCompensation: number | undefined;
    colorTemperature: number | undefined;
    iso: number | undefined;
    brightness: number | undefined;
    contrast: number | undefined;
    saturation: number | undefined;
    sharpness: number | undefined;
    focusDistance: number | undefined;
    zoom: number | undefined;
    torch: number | undefined;
    aspectRatio: number | undefined;
    facingMode: string | undefined;
    frameRate: number | undefined;
    height: number | undefined;
    width: number | undefined;
    resizeMode: number | undefined;
    cursor: string | string[];
    displaySurface: string | string[];
    logicalSurface: boolean;
    constructor(track: DataStreamTrack);
}