export declare const isIOS: () => boolean;
export declare const isIOSSafari: () => boolean;
export declare const isIOSChrome: () => boolean;
export declare const requestIOSMediaPermissions: () => Promise<{
    video: boolean;
    audio: boolean;
}>;
export declare const checkIOSMediaPermissions: () => Promise<{
    video: "granted" | "denied" | "prompt" | "unknown";
    audio: "granted" | "denied" | "prompt" | "unknown";
}>;
export declare const getIOSCameras: () => Promise<MediaDeviceInfo[]>;
export declare const getCameraFacingMode: (track: MediaStreamTrack) => "user" | "environment" | "unknown";
export declare const createIOSVideoConstraints: (options: {
    facingMode?: "user" | "environment";
    deviceId?: string;
    width?: number;
    height?: number;
    frameRate?: number;
}) => MediaTrackConstraints;
export declare const waitForIOSMediaStability: (ms?: number) => Promise<void>;
export declare const switchIOSCamera: (currentTrack: MediaStreamTrack | null, newConstraints: MediaTrackConstraints) => Promise<MediaStreamTrack>;
export declare const useIOSMediaPermissions: () => {
    isIOS: boolean;
    isIOSSafari: boolean;
    isIOSChrome: boolean;
    requestPermissions: () => Promise<{
        video: boolean;
        audio: boolean;
    }>;
    checkPermissions: () => Promise<{
        video: "granted" | "denied" | "prompt" | "unknown";
        audio: "granted" | "denied" | "prompt" | "unknown";
    }>;
};
export declare const handleIOSMediaError: (error: any) => {
    type: "permission" | "not-found" | "constraint" | "unknown";
    message: string;
    userMessage: string;
};