/*!
 * Copyright (c) 2026 Interop Alliance. All rights reserved.
 */
/**
 * The `@interop/was-client/sync` subpath entry: cross-replica synchronization
 * support over WAS. Kept off the core entry so a consumer opts in.
 *
 * - `createWasSyncPort` -- the `WasSyncPort` over `was.request()` + the
 *   `changes` feed, moving stored bodies verbatim (no codec) for one Space +
 *   Collection.
 * - `contentCid` / `cidFrom` / `deriveSpaceId` -- content-addressed ids and
 *   Space-id derivation, byte-identical across replicas.
 * - `createPlaintextDocCipher` / `isEncryptedEnvelope` -- the identity cipher
 *   for a plaintext content-addressed collection, and the envelope predicate,
 *   both free of the `@interop/was-client/edv` crypto graph.
 * - `ensureSpaceAndCollection` -- idempotent Space + Collection provisioning.
 *
 * The 412 conflict / 404 not-found port signals (`WasSyncConflictError` /
 * `WasSyncNotFoundError`), and the opt-in revoked-access signal
 * (`WasSyncAuthError`, raised only under `mapAuthErrors`), live in the client's
 * typed error hierarchy and are re-exported here for convenience -- as are the
 * two decrypt-routing signals, so a crypto-free sync consumer can
 * `instanceof`-match them without importing the `/edv` entry that throws them:
 * the stale-descriptor signal (`UnknownEpochError`: the envelope's epoch is not
 * on the descriptor at all, so re-read it and rebuild the cipher) and the
 * membership signal (`KeyUnwrapError`: the epoch is on the descriptor but this
 * reader holds no key for it, so a refresh cannot help). `EncryptionError`, the
 * fail-closed umbrella `KeyUnwrapError` falls under, rides along.
 */
export { createWasSyncPort, KEY_EPOCH_HEADER, formatEtag, parseEtag } from './port.js';
export { httpStatus as errorStatus, errorMessage } from '../errors.js';
export { contentCid, cidFrom, deriveSpaceId } from './cid.js';
export { isEncryptedEnvelope } from './envelope.js';
export { createPlaintextDocCipher } from './plaintextCipher.js';
export { ensureSpaceAndCollection } from './provisioning.js';
export { EncryptionError, KeyUnwrapError, UnknownEpochError, WasSyncAuthError, WasSyncConflictError, WasSyncNotFoundError } from '../errors.js';
export type { Json, SyncCheckpoint, WireDoc, SyncPage, MasterState, WasSyncPort, DocCipher } from './types.js';
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