import { Camera } from '../models/ICamera';
import { DeviceInfo } from './DeviceInfo';
export declare class Cameras {
    static mp4MimeType: {
        type: string;
        codec: string;
        extension: string;
        mime: string;
    };
    static webmMimeType: {
        type: string;
        codec: string;
        extension: string;
        mime: string;
    };
    static GetCameras(deviceInfo: DeviceInfo): Promise<Camera[]>;
    static GetConstraints(selectedDeviceId: string, device: DeviceInfo, portrait?: boolean, audio?: boolean): MediaStreamConstraints | any;
    static GetRecommendedCamera(cameras: any): any;
    static InitCameras(device: DeviceInfo): Promise<boolean>;
    static switchCamera(): void;
}