export declare const DESKTOP_CALL_CHANNEL = "jotmo-desktop-call";
export interface DesktopCallBridgeEvent {
    type: string;
    callerName?: string;
    requestId?: string;
    roomId?: string;
    callId?: string;
    mediaType?: 'audio' | 'video';
    phase?: string;
    statusText?: string;
    message?: string;
    reason?: string;
    label?: string;
    detail?: string;
    hasActiveCall?: boolean;
    camera?: boolean;
    microphone?: boolean;
}
interface BridgeEventContext {
    expectedSource: Window;
    expectedOrigin: string;
    callRequestId: string;
}
export declare function parseDesktopCallBridgeEvent(event: MessageEvent, context: BridgeEventContext): DesktopCallBridgeEvent | undefined;
export declare function sendDesktopCallCommand(frame: HTMLIFrameElement, type: 'bootstrap' | 'media_permission_result' | 'call' | 'hangup' | 'terminate' | 'logout', payload?: Record<string, unknown>): boolean;
export interface DesktopCallMediaRequest {
    requestId: string;
    camera: boolean;
    microphone: boolean;
}
export interface DesktopCallMediaPermissionResult {
    requestId: string;
    cameraRequested: boolean;
    microphoneRequested: boolean;
    cameraGranted: boolean;
    microphoneGranted: boolean;
    cameraStatus: string;
    microphoneStatus: string;
    granted: boolean;
    message: string;
}
interface MediaDevicesLike {
    getUserMedia(constraints: MediaStreamConstraints): Promise<Pick<MediaStream, 'getTracks'>>;
}
export declare function requestDesktopCallMediaPermissions(request: DesktopCallMediaRequest, mediaDevices?: MediaDevicesLike): Promise<DesktopCallMediaPermissionResult>;
export {};
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