/*!
 * Copyright (c) 2026 Interop Alliance. All rights reserved.
 */
/**
 * The `@interop/wallet-core/sync` subpath: the WAS replication engine core --
 * the correctness-critical, cross-replica byte-compatibility surface two
 * WAS-enabled wallet apps share.
 *
 * - The wire contract and port seam (`WasSyncPort`, `SyncCheckpoint`, `WireDoc`,
 *   `Json`, `DocCipher`, `MasterState`, `WriteAck`, and the
 *   `WasSyncConflictError` / `WasSyncNotFoundError` / `UnknownEpochError`
 *   signals) come from `@interop/was-client/sync` and are re-exported here so
 *   an engine consumer imports one package. The server's `ETag` is opaque and
 *   carried verbatim on `MasterState.etag` / `WireDoc.etag` / `WriteAck.etag`
 *   -- a caller echoes it back as a later write's `ifMatch` rather than
 *   rebuilding it from `version`.
 * - The predicates that classify those signals (`isSyncConflictError` /
 *   `isSyncNotFoundError` / `isUnknownEpochError`) and the `SyncStatus`
 *   vocabulary ship from `@interop/was-client/sync` too. They are imported
 *   from there rather than re-exported here: one owner per name.
 * - `SyncStore` / `SyncedRow` / `ProjectionAction` / `ResolveConflict` are the
 *   replica-side persistence seam.
 * - `runPull` / `projectionForDoc`, `runPush`, and `SyncEngine` are the pull,
 *   push, and orchestration algorithms.
 * - `remintPendingEnvelopes` is the create-loss re-mint for an eager-minting
 *   replica: the descriptor-before-first-content-push invariant's remedy when
 *   another provisioner's descriptor create won (see `remint.ts`).
 * - `SyncedCollectionSpec` is the generic per-collection spec shape a concrete
 *   registry implements.
 * - `resolveContactHeadConflict` / `contactHeadPayloadOf` are the
 *   last-write-wins rule for the one mutable collection (`contacts`), which
 *   needs a `DocCipher` to reach the fields it compares.
 *
 * The RxDB driver is intentionally not part of this subpath: it ships from
 * `@interop/was-sync`, and its metadata (`putMeta` / `metaVersion`) push half
 * stays driver-side. See `push.ts` for why the metadata half is left out of
 * the shared core.
 */
export { UnknownEpochError, WasSyncConflictError, WasSyncNotFoundError } from '@interop/was-client/sync';
export type { Json, SyncCheckpoint, WireDoc, MasterState, WriteAck, WasSyncPort, DocCipher } from '@interop/was-client/sync';
export type { SyncStore, SyncedRow, ProjectionAction, ResolveConflict } from './types.js';
export { runPull, projectionForDoc } from './pull.js';
export { runPush } from './push.js';
export { remintPendingEnvelopes } from './remint.js';
export { SyncEngine } from './engine.js';
export type { SyncEngineDeps } from './engine.js';
export type { SyncedCollectionSpec } from './collections.js';
export { contactHeadPayloadOf, resolveContactHeadConflict } from './contactsConflict.js';
export type { ContactConflictWinner } from './contactsConflict.js';
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