import type { PrivateKey } from "@libp2p/interface";
export type PeerIdJSON = {
    id: string;
    pubKey: string;
    privKey: string;
};
export declare function exportToJSON(privateKey: PrivateKey): PeerIdJSON;
export declare function createFromJSON(obj: PeerIdJSON): PrivateKey;
export declare function writePrivateKey(filepath: string, privateKey: PrivateKey): void;
export declare function readPrivateKey(filepath: string): PrivateKey;
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