import { StorageAdapter } from "./StorageAdapter";
import { Rumor } from "./types";
export interface QueueEntry {
    id: string;
    targetKey: string;
    event: Rumor;
    createdAt: number;
}
export declare class MessageQueue {
    private storage;
    private prefix;
    constructor(storage: StorageAdapter, prefix: string);
    add(targetKey: string, event: Rumor): Promise<string>;
    getForTarget(targetKey: string): Promise<QueueEntry[]>;
    entries(): Promise<QueueEntry[]>;
    removeForTarget(targetKey: string): Promise<void>;
    removeByTargetAndEventId(targetKey: string, eventId: string): Promise<void>;
    remove(id: string): Promise<void>;
}
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