import ipc from 'node-ipc';
import { ImageStatus } from './registry';
export declare type IpcServerMessages = {
    imageReady: {
        filePath: string;
        status: ImageStatus;
    };
    queueEmpty: {};
    criticalError: {
        message: string;
    };
};
export declare type Socket = Parameters<typeof ipc.server.emit>[0];
export declare function imageStatusUpdate(socket: Socket, filePath: string, status: ImageStatus): void;
export declare function queueEmpty(socket: Socket): void;
export declare function criticalError(socket: Socket, error: Error): void;