import type { ContextEntry } from '@loopsy/protocol';
export declare class ContextStore {
    private entries;
    private expiryTimer;
    private contextFile;
    constructor(dataDir?: string);
    load(): Promise<void>;
    save(): Promise<void>;
    startExpiryCheck(): void;
    stopExpiryCheck(): void;
    set(key: string, value: string, fromNodeId: string, ttl?: number): ContextEntry;
    get(key: string): ContextEntry | undefined;
    delete(key: string): boolean;
    list(prefix?: string): ContextEntry[];
    get size(): number;
}
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