/**
 * HTTP header names for ML-DSA–signed JSON-RPC requests.
 * Must match the verifying proxy worker.
 */
export declare const HEADER_KEY_ID = "X-Key-Id";
export declare const HEADER_SIGNATURE = "X-Signature";
export declare const HEADER_SIGNED_EXPIRES = "X-Signed-Expires";
export declare const HEADER_SIGNED_NONCE = "X-Signed-Nonce";
/**
 * Algorithm label sent to the key registration worker (`POST .../v1/keys`).
 * Must match the worker’s allowlist.
 */
export declare const SUPPORTED_SIGNING_ALGORITHM = "ML-DSA-65";