import { TransportSecretKey, VetKey } from "@dfinity/vetkeys";
export interface TransportKeyPair {
    secret: TransportSecretKey;
    publicKey: Uint8Array;
}
export declare function prepareTransportKey(): TransportKeyPair;
export declare function decryptVetKey(encryptedKey: Uint8Array, viewPublicKey: Uint8Array, transportSecret: TransportSecretKey, identity?: Uint8Array): VetKey;
/**
 * Serialize a VetKey to a 0x-prefixed hex string for persistent storage.
 */
export declare function serializeVetKey(vetKey: VetKey): string;
/**
 * Deserialize a VetKey from a hex string (with or without 0x prefix).
 *
 * @throws StealthError if the hex string cannot be deserialized into a valid VetKey.
 */
export declare function deserializeVetKey(hex: string): VetKey;
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