/**
 * IndexedDB CAS Conformance Tests - Chromium/Playwright
 *
 * Note: IndexedDB conformance testing requires a browser environment with
 * ES modules support. For now, this file documents the test structure.
 *
 * To run these tests:
 * 1. Create a simple HTML page that imports the compiled FeltDB modules
 * 2. Run `npx playwright test` in this directory
 * 3. Tests will run in Chromium and verify IndexedDB CAS semantics
 *
 * Validation points:
 * - Concurrent transaction isolation
 * - Version persistence across reopen
 * - Stale writer conflict detection
 * - Version increment atomicity
 * - Failed CAS leaves state unchanged
 * - __version cannot be supplied by caller
 */
export declare const playwrightTestStructure = "\nRequired test coverage (Playwright + Chromium):\n\nTest 1: Single process CAS increments version\n  \u2713 Insert record (version = 1)\n  \u2713 CAS update (expectedVersion: 1)\n  \u2713 Result: updated=true, currentVersion=2\n  \u2713 Verify persisted: version=2\n\nTest 2: Version conflict on mismatch\n  \u2713 Insert record (version = 1)\n  \u2713 CAS with wrong expectedVersion (999)\n  \u2713 Result: updated=false, currentVersion=1\n  \u2713 Verify no mutation: version=1, data unchanged\n\nTest 3: Two concurrent writers (Promise.all)\n  \u2713 Insert record (version = 1)\n  \u2713 Race 2 CAS requests on same version\n  \u2713 Result: 1 success, 1 conflict\n  \u2713 Verify final version = 2, not 3\n\nTest 4: Three concurrent writers\n  \u2713 Insert record (version = 1)\n  \u2713 Race 3 CAS requests on same version\n  \u2713 Result: 1 success, 2 conflicts\n  \u2713 Verify final version = 2\n\nTest 5: 50 concurrent races\n  \u2713 For each i in 0..49:\n    - Insert record\n    - Race 2 writers on version 1\n    - Verify: 1 success, 1 conflict\n\nTest 6: 100 sequential updates\n  \u2713 Insert counter (version = 1)\n  \u2713 For each i in 0..99:\n    - CAS with expectedVersion = i+1\n    - Verify updated=true, currentVersion = i+2\n  \u2713 Final version = 101 (1 + 100 updates)\n\nTest 7: Stale writer conflict after reopen\n  \u2713 Insert record, read version N\n  \u2713 Other writer updates with expectedVersion=N \u2192 success, version=N+1\n  \u2713 Stale writer tries expectedVersion=N \u2192 conflict, currentVersion=N+1\n\nTest 8: Failed CAS leaves state unchanged\n  \u2713 Insert record with nested structure\n  \u2713 50 failed CAS attempts with expectedVersion=999\n  \u2713 Verify: version unchanged, all fields unchanged (including nested)\n\nTest 9: User __version ignored\n  \u2713 Insert record (version = 1)\n  \u2713 CAS with __version: 999 in updates\n  \u2713 Result: currentVersion = 2, not 999\n  \u2713 Verify: stored __version = 2\n\nTest 10: Partial updates preserve fields\n  \u2713 Insert record with multiple fields\n  \u2713 CAS with only some fields in updates\n  \u2713 Verify: updated fields changed, others preserved\n\nTest 11: No mutation event on failed CAS\n  \u2713 Subscribe to changes for record\n  \u2713 50 failed CAS attempts\n  \u2713 Verify: no change events fired\n\nTest 12: Exactly one mutation event on success\n  \u2713 Subscribe to changes for record\n  \u2713 CAS success\n  \u2713 Verify: exactly 1 change event fired\n";
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