import type { PrivateKey } from '@libp2p/interface';
import type { SqliteDb } from './db.js';
export declare const DEFAULT_PEER_KEY_NAME = "peer-private-key";
/**
 * Loads the persisted NativeScript peer's libp2p private key, or generates a
 * fresh Ed25519 key on first call, persists it, and syncs the database before
 * returning it, so a power cut right after first start cannot give the node a
 * different peer id next time. An existing key is read as it is.
 *
 * The key is stored as raw protobuf bytes in the `kv` table's `b_val` column
 * under `keyName`. SQLite stores BLOB natively, so there is no base64
 * round-trip — unlike text-only key/value stores.
 *
 * The returned `PrivateKey` can be passed directly to
 * `createLibp2pNode({ privateKey })`, giving a NativeScript peer a stable,
 * restart-surviving identity.
 */
export declare function loadOrCreateNSPeerKey(db: SqliteDb, keyName?: string): Promise<PrivateKey>;
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