/**
 * @typedef {{
 *   read(key: readonly unknown[]): { ok: true, value: unknown } |
 *     { ok: false, error: import("../../contracts/errors.js").ApiFailure },
 *   write(key: readonly unknown[], value: unknown): { ok: true } |
 *     { ok: false, error: import("../../contracts/errors.js").ApiFailure },
 *   invalidate(namespace: readonly unknown[]): Promise<{ ok: true } |
 *     { ok: false, error: import("../../contracts/errors.js").ApiFailure }>
 * }} QueryCachePort
 */

export {};