import type { PeerInfo } from '@loopsy/protocol';
export declare class PeerRegistry {
    private peers;
    private peersFile;
    constructor(dataDir?: string);
    load(): Promise<void>;
    save(): Promise<void>;
    get(nodeId: string): PeerInfo | undefined;
    getByAddress(address: string, port: number): PeerInfo | undefined;
    getAll(): PeerInfo[];
    getOnline(): PeerInfo[];
    upsert(peer: PeerInfo): void;
    remove(nodeId: string): boolean;
    markOnline(nodeId: string): void;
    markFailure(nodeId: string): number;
    markOffline(nodeId: string): void;
}
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