import { ActorProtocol } from "./ActorProtocol.js";
export declare class DeadLetter {
    private _actorProtocol;
    private _message;
    constructor(actorProtocol: ActorProtocol, message: string);
    actorProtocol(): ActorProtocol;
    message(): string;
    toString(): string;
}
export interface DeadLettersListener {
    handle(deadLetter: DeadLetter): void;
}
export declare class DeadLetters {
    private _listeners;
    failedDelivery(deadLetter: DeadLetter): void;
    registerListener(listener: DeadLettersListener): void;
}
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