diff --git a/blocksuite/affine/all/package.json b/blocksuite/affine/all/package.json
index a14b639d57c39..d0cfb95a57f10 100644
--- a/blocksuite/affine/all/package.json
+++ b/blocksuite/affine/all/package.json
@@ -18,7 +18,8 @@
     "@blocksuite/global": "workspace:*",
     "@blocksuite/inline": "workspace:*",
     "@blocksuite/presets": "workspace:*",
-    "@blocksuite/store": "workspace:*"
+    "@blocksuite/store": "workspace:*",
+    "@blocksuite/sync": "workspace:*"
   },
   "exports": {
     ".": "./src/index.ts",
@@ -37,7 +38,8 @@
     "./inline/types": "./src/inline/types.ts",
     "./presets": "./src/presets/index.ts",
     "./blocks": "./src/blocks/index.ts",
-    "./blocks/schemas": "./src/blocks/schemas.ts"
+    "./blocks/schemas": "./src/blocks/schemas.ts",
+    "./sync": "./src/sync/index.ts"
   },
   "typesVersions": {
     "*": {
@@ -88,6 +90,9 @@
       ],
       "blocks/schemas": [
         "dist/blocks/schemas.d.ts"
+      ],
+      "sync": [
+        "dist/sync/index.d.ts"
       ]
     }
   },
diff --git a/blocksuite/affine/all/src/sync/index.ts b/blocksuite/affine/all/src/sync/index.ts
new file mode 100644
index 0000000000000..415641e2a6450
--- /dev/null
+++ b/blocksuite/affine/all/src/sync/index.ts
@@ -0,0 +1 @@
+export * from '@blocksuite/sync';
diff --git a/blocksuite/framework/store/src/store/collection.ts b/blocksuite/framework/store/src/store/collection.ts
index f71ca30b27382..2b89845e0afa3 100644
--- a/blocksuite/framework/store/src/store/collection.ts
+++ b/blocksuite/framework/store/src/store/collection.ts
@@ -70,10 +70,6 @@ const FLAGS_PRESET = {
   readonly: {},
 } satisfies BlockSuiteFlags;
 
-export interface StackItem {
-  meta: Map<'cursor-location' | 'selection-state', unknown>;
-}
-
 export class DocCollection implements Workspace {
   protected readonly _schema: Schema;
 
diff --git a/blocksuite/framework/store/src/store/index.ts b/blocksuite/framework/store/src/store/index.ts
index 8024bbd343dee..b7ab3da9b484c 100644
--- a/blocksuite/framework/store/src/store/index.ts
+++ b/blocksuite/framework/store/src/store/index.ts
@@ -3,5 +3,5 @@ export { DocCollection } from './collection.js';
 export type * from './doc/block-collection.js';
 export * from './doc/index.js';
 export * from './id.js';
-export type * from './meta.js';
+export * from './meta.js';
 export * from './workspace.js';
diff --git a/blocksuite/framework/store/src/store/workspace.ts b/blocksuite/framework/store/src/store/workspace.ts
index a75e775f652fe..f5b64bfeeb369 100644
--- a/blocksuite/framework/store/src/store/workspace.ts
+++ b/blocksuite/framework/store/src/store/workspace.ts
@@ -84,3 +84,7 @@ export interface Workspace {
 
   dispose(): void;
 }
+
+export interface StackItem {
+  meta: Map<'cursor-location' | 'selection-state', unknown>;
+}
diff --git a/blocksuite/framework/tsconfig.json b/blocksuite/framework/tsconfig.json
index dae3abee89242..ff7f2caac1b04 100644
--- a/blocksuite/framework/tsconfig.json
+++ b/blocksuite/framework/tsconfig.json
@@ -13,6 +13,9 @@
     },
     {
       "path": "./store"
+    },
+    {
+      "path": "./sync"
     }
   ]
 }
diff --git a/packages/frontend/core/src/blocksuite/presets/_common/utils/markdown-utils.ts b/packages/frontend/core/src/blocksuite/presets/_common/utils/markdown-utils.ts
index bbdae671eb98b..f9dfb803c93a8 100644
--- a/packages/frontend/core/src/blocksuite/presets/_common/utils/markdown-utils.ts
+++ b/packages/frontend/core/src/blocksuite/presets/_common/utils/markdown-utils.ts
@@ -1,3 +1,4 @@
+import { WorkspaceImpl } from '@affine/core/modules/workspace/impl/workspace';
 import type {
   EditorHost,
   TextRangePoint,
@@ -14,7 +15,7 @@ import {
 } from '@blocksuite/affine/blocks';
 import type { ServiceProvider } from '@blocksuite/affine/global/di';
 import type { JobMiddleware, Schema } from '@blocksuite/affine/store';
-import { DocCollection, Job } from '@blocksuite/affine/store';
+import { Job } from '@blocksuite/affine/store';
 import { assertExists } from '@blocksuite/global/utils';
 import type {
   BlockModel,
@@ -207,7 +208,7 @@ export async function markDownToDoc(
   additionalMiddlewares?: JobMiddleware[]
 ) {
   // Should not create a new doc in the original collection
-  const collection = new DocCollection({
+  const collection = new WorkspaceImpl({
     schema,
   });
   collection.meta.initialize();
diff --git a/packages/frontend/core/src/blocksuite/presets/ai/messages/slides-renderer.ts b/packages/frontend/core/src/blocksuite/presets/ai/messages/slides-renderer.ts
index 708ff7aa039ef..815ebfff2026d 100644
--- a/packages/frontend/core/src/blocksuite/presets/ai/messages/slides-renderer.ts
+++ b/packages/frontend/core/src/blocksuite/presets/ai/messages/slides-renderer.ts
@@ -1,3 +1,4 @@
+import { WorkspaceImpl } from '@affine/core/modules/workspace/impl/workspace';
 import { BlockStdScope, type EditorHost } from '@blocksuite/affine/block-std';
 import {
   type AffineAIPanelWidgetConfig,
@@ -6,7 +7,7 @@ import {
 import { AffineSchemas } from '@blocksuite/affine/blocks/schemas';
 import { WithDisposable } from '@blocksuite/affine/global/utils';
 import type { Doc } from '@blocksuite/affine/store';
-import { DocCollection, Schema } from '@blocksuite/affine/store';
+import { Schema } from '@blocksuite/affine/store';
 import { css, html, LitElement, nothing } from 'lit';
 import { property, query } from 'lit/decorators.js';
 import { createRef, type Ref, ref } from 'lit/directives/ref.js';
@@ -54,7 +55,7 @@ export class AISlidesRenderer extends WithDisposable(LitElement) {
 
   private _doc!: Doc;
 
-  private _docCollection: DocCollection | null = null;
+  private _docCollection: WorkspaceImpl | null = null;
 
   @query('editor-host')
   private accessor _editorHost!: EditorHost;
@@ -220,7 +221,7 @@ export class AISlidesRenderer extends WithDisposable(LitElement) {
     super.connectedCallback();
 
     const schema = new Schema().register(AffineSchemas);
-    const collection = new DocCollection({
+    const collection = new WorkspaceImpl({
       schema,
       id: 'SLIDES_PREVIEW',
     });
diff --git a/packages/frontend/core/src/blocksuite/presets/ai/mini-mindmap/mindmap-preview.ts b/packages/frontend/core/src/blocksuite/presets/ai/mini-mindmap/mindmap-preview.ts
index fe9249616fa24..2835d4fb0c39a 100644
--- a/packages/frontend/core/src/blocksuite/presets/ai/mini-mindmap/mindmap-preview.ts
+++ b/packages/frontend/core/src/blocksuite/presets/ai/mini-mindmap/mindmap-preview.ts
@@ -1,3 +1,4 @@
+import { WorkspaceImpl } from '@affine/core/modules/workspace/impl/workspace.js';
 import { BlockStdScope, type EditorHost } from '@blocksuite/affine/block-std';
 import {
   MarkdownAdapter,
@@ -13,7 +14,6 @@ import type { ServiceProvider } from '@blocksuite/affine/global/di';
 import { WithDisposable } from '@blocksuite/affine/global/utils';
 import {
   type Doc,
-  DocCollection,
   type DocCollectionOptions,
   IdGeneratorType,
   Job,
@@ -109,7 +109,7 @@ export class MiniMindmapPreview extends WithDisposable(LitElement) {
       awarenessSources: [],
     };
 
-    const collection = new DocCollection(options);
+    const collection = new WorkspaceImpl(options);
     collection.meta.initialize();
     collection.start();
 
diff --git a/packages/frontend/core/src/components/affine/page-history-modal/data.ts b/packages/frontend/core/src/components/affine/page-history-modal/data.ts
index d763d4b6b0c79..68913b3fbcb59 100644
--- a/packages/frontend/core/src/components/affine/page-history-modal/data.ts
+++ b/packages/frontend/core/src/components/affine/page-history-modal/data.ts
@@ -2,12 +2,13 @@ import { useDocMetaHelper } from '@affine/core/components/hooks/use-block-suite-
 import { useDocCollectionPage } from '@affine/core/components/hooks/use-block-suite-workspace-page';
 import { FetchService, GraphQLService } from '@affine/core/modules/cloud';
 import { getAFFiNEWorkspaceSchema } from '@affine/core/modules/workspace';
+import { WorkspaceImpl } from '@affine/core/modules/workspace/impl/workspace';
 import { DebugLogger } from '@affine/debug';
 import type { ListHistoryQuery } from '@affine/graphql';
 import { listHistoryQuery, recoverDocMutation } from '@affine/graphql';
 import { i18nTime } from '@affine/i18n';
 import { assertEquals } from '@blocksuite/affine/global/utils';
-import { DocCollection, type Workspace } from '@blocksuite/affine/store';
+import type { Workspace } from '@blocksuite/affine/store';
 import { useService } from '@toeverything/infra';
 import { useEffect, useMemo } from 'react';
 import useSWRImmutable from 'swr/immutable';
@@ -114,11 +115,9 @@ const getOrCreateShellWorkspace = (
       fetchService,
       graphQLService
     );
-    docCollection = new DocCollection({
+    docCollection = new WorkspaceImpl({
       id: workspaceId,
-      blobSources: {
-        main: blobStorage,
-      },
+      blobSource: blobStorage,
       schema: getAFFiNEWorkspaceSchema(),
     });
     docCollectionMap.set(workspaceId, docCollection);
diff --git a/packages/frontend/core/src/desktop/dialogs/setting/general-setting/editor/edgeless/docs/index.ts b/packages/frontend/core/src/desktop/dialogs/setting/general-setting/editor/edgeless/docs/index.ts
index 01d12d4630255..a1476043c2bd3 100644
--- a/packages/frontend/core/src/desktop/dialogs/setting/general-setting/editor/edgeless/docs/index.ts
+++ b/packages/frontend/core/src/desktop/dialogs/setting/general-setting/editor/edgeless/docs/index.ts
@@ -1,16 +1,17 @@
+import { WorkspaceImpl } from '@affine/core/modules/workspace/impl/workspace';
 import { AffineSchemas } from '@blocksuite/affine/blocks';
 import type { Doc, DocSnapshot } from '@blocksuite/affine/store';
-import { DocCollection, Job, Schema } from '@blocksuite/affine/store';
+import { Job, Schema } from '@blocksuite/affine/store';
 
 const getCollection = (() => {
-  let collection: DocCollection | null = null;
+  let collection: WorkspaceImpl | null = null;
   return async function () {
     if (collection) {
       return collection;
     }
     const schema = new Schema();
     schema.register(AffineSchemas);
-    collection = new DocCollection({ schema });
+    collection = new WorkspaceImpl({ schema });
     collection.meta.initialize();
     return collection;
   };
diff --git a/packages/frontend/core/src/modules/docs-search/worker/in-worker.ts b/packages/frontend/core/src/modules/docs-search/worker/in-worker.ts
index 5a5b3048abdcb..645903c5e993a 100644
--- a/packages/frontend/core/src/modules/docs-search/worker/in-worker.ts
+++ b/packages/frontend/core/src/modules/docs-search/worker/in-worker.ts
@@ -14,7 +14,6 @@ import {
 import { Container } from '@blocksuite/affine/global/di';
 import {
   createYProxy,
-  DocCollection,
   type DraftModel,
   Job,
   type JobMiddleware,
@@ -35,6 +34,7 @@ import {
 } from 'yjs';
 
 import { getAFFiNEWorkspaceSchema } from '../../workspace/global-schema';
+import { WorkspaceImpl } from '../../workspace/impl/workspace';
 import type { BlockIndexSchema, DocIndexSchema } from '../schema';
 import type {
   WorkerIngoingMessage,
@@ -118,7 +118,7 @@ const bookmarkFlavours = new Set([
   'affine:embed-loom',
 ]);
 
-const markdownPreviewDocCollection = new DocCollection({
+const markdownPreviewDocCollection = new WorkspaceImpl({
   id: 'indexer',
   schema: blocksuiteSchema,
 });
diff --git a/packages/frontend/core/src/modules/workspace-engine/impls/cloud.ts b/packages/frontend/core/src/modules/workspace-engine/impls/cloud.ts
index f047a31bb488c..0631612d3f669 100644
--- a/packages/frontend/core/src/modules/workspace-engine/impls/cloud.ts
+++ b/packages/frontend/core/src/modules/workspace-engine/impls/cloud.ts
@@ -5,7 +5,6 @@ import {
   getWorkspaceInfoQuery,
   getWorkspacesQuery,
 } from '@affine/graphql';
-import { DocCollection } from '@blocksuite/affine/store';
 import {
   type BlobStorage,
   catchErrorInto,
@@ -20,7 +19,6 @@ import {
   Service,
 } from '@toeverything/infra';
 import { isEqual } from 'lodash-es';
-import { nanoid } from 'nanoid';
 import { EMPTY, map, mergeMap, Observable, switchMap } from 'rxjs';
 import { encodeStateAsUpdate } from 'yjs';
 
@@ -43,6 +41,7 @@ import {
   type WorkspaceMetadata,
   type WorkspaceProfileInfo,
 } from '../../workspace';
+import { WorkspaceImpl } from '../../workspace/impl/workspace';
 import type { WorkspaceEngineStorageProvider } from '../providers/engine';
 import { BroadcastChannelAwarenessConnection } from './engine/awareness-broadcast-channel';
 import { CloudAwarenessConnection } from './engine/awareness-cloud';
@@ -101,7 +100,7 @@ class CloudWorkspaceFlavourProvider implements WorkspaceFlavourProvider {
 
   async createWorkspace(
     initial: (
-      docCollection: DocCollection,
+      docCollection: WorkspaceImpl,
       blobStorage: BlobStorage,
       docStorage: DocStorage
     ) => Promise<void>
@@ -117,13 +116,10 @@ class CloudWorkspaceFlavourProvider implements WorkspaceFlavourProvider {
     const blobStorage = this.storageProvider.getBlobStorage(workspaceId);
     const docStorage = this.storageProvider.getDocStorage(workspaceId);
 
-    const docCollection = new DocCollection({
+    const docCollection = new WorkspaceImpl({
       id: workspaceId,
-      idGenerator: () => nanoid(),
       schema: getAFFiNEWorkspaceSchema(),
-      blobSources: {
-        main: blobStorage,
-      },
+      blobSource: blobStorage,
     });
 
     try {
diff --git a/packages/frontend/core/src/modules/workspace-engine/impls/local.ts b/packages/frontend/core/src/modules/workspace-engine/impls/local.ts
index 45c60b0f201a1..48a8de388ffb2 100644
--- a/packages/frontend/core/src/modules/workspace-engine/impls/local.ts
+++ b/packages/frontend/core/src/modules/workspace-engine/impls/local.ts
@@ -1,5 +1,4 @@
 import { DebugLogger } from '@affine/debug';
-import { DocCollection } from '@blocksuite/affine/store';
 import type {
   BlobStorage,
   DocStorage,
@@ -20,6 +19,7 @@ import {
   type WorkspaceMetadata,
   type WorkspaceProfileInfo,
 } from '../../workspace';
+import { WorkspaceImpl } from '../../workspace/impl/workspace';
 import type { WorkspaceEngineStorageProvider } from '../providers/engine';
 import { BroadcastChannelAwarenessConnection } from './engine/awareness-broadcast-channel';
 import { StaticBlobStorage } from './engine/blob-static';
@@ -79,7 +79,7 @@ class LocalWorkspaceFlavourProvider implements WorkspaceFlavourProvider {
   }
   async createWorkspace(
     initial: (
-      docCollection: DocCollection,
+      docCollection: WorkspaceImpl,
       blobStorage: BlobStorage,
       docStorage: DocStorage
     ) => Promise<void>
@@ -90,11 +90,10 @@ class LocalWorkspaceFlavourProvider implements WorkspaceFlavourProvider {
     const blobStorage = this.storageProvider.getBlobStorage(id);
     const docStorage = this.storageProvider.getDocStorage(id);
 
-    const docCollection = new DocCollection({
+    const docCollection = new WorkspaceImpl({
       id: id,
-      idGenerator: () => nanoid(),
       schema: getAFFiNEWorkspaceSchema(),
-      blobSources: { main: blobStorage },
+      blobSource: blobStorage,
     });
 
     try {
diff --git a/packages/frontend/core/src/modules/workspace/entities/workspace.ts b/packages/frontend/core/src/modules/workspace/entities/workspace.ts
index edbc6684c957d..d96a2e5343541 100644
--- a/packages/frontend/core/src/modules/workspace/entities/workspace.ts
+++ b/packages/frontend/core/src/modules/workspace/entities/workspace.ts
@@ -1,14 +1,11 @@
-import {
-  DocCollection,
-  type Workspace as BSWorkspace,
-} from '@blocksuite/affine/store';
+import type { Workspace as WorkspaceInterface } from '@blocksuite/affine/store';
 import { Entity, LiveData } from '@toeverything/infra';
-import { nanoid } from 'nanoid';
 import { Observable } from 'rxjs';
 import type { Awareness } from 'y-protocols/awareness.js';
 
 import { WorkspaceDBService } from '../../db';
 import { getAFFiNEWorkspaceSchema } from '../global-schema';
+import { WorkspaceImpl } from '../impl/workspace';
 import type { WorkspaceScope } from '../scopes/workspace';
 import { WorkspaceEngineService } from '../services/engine';
 
@@ -25,16 +22,13 @@ export class Workspace extends Entity {
 
   readonly flavour = this.meta.flavour;
 
-  _docCollection: BSWorkspace | null = null;
+  _docCollection: WorkspaceInterface | null = null;
 
   get docCollection() {
     if (!this._docCollection) {
-      this._docCollection = new DocCollection({
+      this._docCollection = new WorkspaceImpl({
         id: this.openOptions.metadata.id,
-        blobSources: {
-          main: this.engine.blob,
-        },
-        idGenerator: () => nanoid(),
+        blobSource: this.engine.blob,
         schema: getAFFiNEWorkspaceSchema(),
       });
       this._docCollection.slots.docCreated.on(id => {
diff --git a/packages/frontend/core/src/modules/workspace/impl/workspace.ts b/packages/frontend/core/src/modules/workspace/impl/workspace.ts
new file mode 100644
index 0000000000000..115e4550bf36a
--- /dev/null
+++ b/packages/frontend/core/src/modules/workspace/impl/workspace.ts
@@ -0,0 +1,234 @@
+import {
+  BlockSuiteError,
+  ErrorCode,
+} from '@blocksuite/affine/global/exceptions';
+import type { BlockSuiteFlags } from '@blocksuite/affine/global/types';
+import { NoopLogger, Slot } from '@blocksuite/affine/global/utils';
+import {
+  AwarenessStore,
+  BlockCollection,
+  BlockSuiteDoc,
+  type CreateDocOptions,
+  type Doc,
+  DocCollectionMeta,
+  type GetDocOptions,
+  type IdGenerator,
+  nanoid,
+  type Schema,
+  type Workspace,
+} from '@blocksuite/affine/store';
+import {
+  AwarenessEngine,
+  BlobEngine,
+  type BlobSource,
+  DocEngine,
+  MemoryBlobSource,
+  NoopDocSource,
+} from '@blocksuite/affine/sync';
+import { Awareness } from 'y-protocols/awareness.js';
+
+type WorkspaceOptions = {
+  id?: string;
+  schema: Schema;
+  blobSource?: BlobSource;
+};
+
+const FLAGS_PRESET = {
+  enable_synced_doc_block: false,
+  enable_pie_menu: false,
+  enable_database_number_formatting: false,
+  enable_database_attachment_note: false,
+  enable_database_full_width: false,
+  enable_block_query: false,
+  enable_lasso_tool: false,
+  enable_edgeless_text: true,
+  enable_ai_onboarding: false,
+  enable_ai_chat_block: false,
+  enable_color_picker: false,
+  enable_mind_map_import: false,
+  enable_advanced_block_visibility: false,
+  enable_shape_shadow_blur: false,
+  enable_mobile_keyboard_toolbar: false,
+  enable_mobile_linked_doc_menu: false,
+  readonly: {},
+} satisfies BlockSuiteFlags;
+
+export class WorkspaceImpl implements Workspace {
+  protected readonly _schema: Schema;
+
+  readonly awarenessStore: AwarenessStore;
+
+  readonly awarenessSync: AwarenessEngine;
+
+  readonly blobSync: BlobEngine;
+
+  readonly blockCollections = new Map<string, BlockCollection>();
+
+  readonly doc: BlockSuiteDoc;
+
+  readonly docSync: DocEngine;
+
+  readonly id: string;
+
+  readonly idGenerator: IdGenerator;
+
+  meta: DocCollectionMeta;
+
+  slots = {
+    docListUpdated: new Slot(),
+    docRemoved: new Slot<string>(),
+    docCreated: new Slot<string>(),
+  };
+
+  get docs() {
+    return this.blockCollections;
+  }
+
+  get schema() {
+    return this._schema;
+  }
+
+  constructor({ id, schema, blobSource }: WorkspaceOptions) {
+    this._schema = schema;
+
+    this.id = id || '';
+    this.doc = new BlockSuiteDoc({ guid: id });
+    this.awarenessStore = new AwarenessStore(new Awareness(this.doc), {
+      ...FLAGS_PRESET,
+      readonly: {},
+    });
+
+    blobSource = blobSource ?? new MemoryBlobSource();
+    const docSource = new NoopDocSource();
+    const logger = new NoopLogger();
+
+    this.awarenessSync = new AwarenessEngine(this.awarenessStore.awareness, []);
+    this.docSync = new DocEngine(this.doc, docSource, [], logger);
+    this.blobSync = new BlobEngine(blobSource, [], logger);
+
+    this.idGenerator = nanoid;
+
+    this.meta = new DocCollectionMeta(this.doc);
+    this._bindDocMetaEvents();
+  }
+
+  private _bindDocMetaEvents() {
+    this.meta.docMetaAdded.on(docId => {
+      const doc = new BlockCollection({
+        id: docId,
+        collection: this,
+        doc: this.doc,
+        awarenessStore: this.awarenessStore,
+        idGenerator: this.idGenerator,
+      });
+      this.blockCollections.set(doc.id, doc);
+    });
+
+    this.meta.docMetaUpdated.on(() => this.slots.docListUpdated.emit());
+
+    this.meta.docMetaRemoved.on(id => {
+      const space = this.getBlockCollection(id);
+      if (!space) return;
+      this.blockCollections.delete(id);
+      space.remove();
+      this.slots.docRemoved.emit(id);
+    });
+  }
+
+  private _hasDoc(docId: string) {
+    return this.docs.has(docId);
+  }
+
+  /**
+   * Verify that all data has been successfully saved to the primary storage.
+   * Return true if the data transfer is complete and it is secure to terminate the synchronization operation.
+   */
+  canGracefulStop() {
+    this.docSync.canGracefulStop();
+  }
+
+  /**
+   * By default, only an empty doc will be created.
+   * If the `init` parameter is passed, a `surface`, `note`, and `paragraph` block
+   * will be created in the doc simultaneously.
+   */
+  createDoc(options: CreateDocOptions = {}) {
+    const { id: docId = this.idGenerator(), query, readonly } = options;
+    if (this._hasDoc(docId)) {
+      throw new BlockSuiteError(
+        ErrorCode.DocCollectionError,
+        'doc already exists'
+      );
+    }
+
+    this.meta.addDocMeta({
+      id: docId,
+      title: '',
+      createDate: Date.now(),
+      tags: [],
+    });
+    this.slots.docCreated.emit(docId);
+    return this.getDoc(docId, { query, readonly }) as Doc;
+  }
+
+  dispose() {
+    this.awarenessStore.destroy();
+  }
+
+  /**
+   * Terminate the data sync process forcefully, which may cause data loss.
+   * It is advised to invoke `canGracefulStop` before calling this method.
+   */
+  forceStop() {
+    this.docSync.forceStop();
+    this.blobSync.stop();
+    this.awarenessSync.disconnect();
+  }
+
+  getBlockCollection(docId: string): BlockCollection | null {
+    const space = this.docs.get(docId) as BlockCollection | undefined;
+    return space ?? null;
+  }
+
+  getDoc(docId: string, options?: GetDocOptions): Doc | null {
+    const collection = this.getBlockCollection(docId);
+    return collection?.getDoc(options) ?? null;
+  }
+
+  removeDoc(docId: string) {
+    const docMeta = this.meta.getDocMeta(docId);
+    if (!docMeta) {
+      throw new BlockSuiteError(
+        ErrorCode.DocCollectionError,
+        `doc meta not found: ${docId}`
+      );
+    }
+
+    const blockCollection = this.getBlockCollection(docId);
+    if (!blockCollection) return;
+
+    blockCollection.dispose();
+    this.meta.removeDocMeta(docId);
+    this.blockCollections.delete(docId);
+  }
+
+  /**
+   * Start the data sync process
+   */
+  start() {
+    this.docSync.start();
+    this.blobSync.start();
+    this.awarenessSync.connect();
+  }
+
+  /**
+   * Wait for all data has been successfully saved to the primary storage.
+   */
+  waitForGracefulStop(abort?: AbortSignal) {
+    return this.docSync.waitForGracefulStop(abort);
+  }
+
+  waitForSynced() {
+    return this.docSync.waitForSynced();
+  }
+}
diff --git a/tools/utils/src/workspace.gen.ts b/tools/utils/src/workspace.gen.ts
index ba18062f8a792..92f5d0ee21385 100644
--- a/tools/utils/src/workspace.gen.ts
+++ b/tools/utils/src/workspace.gen.ts
@@ -11,6 +11,7 @@ export const PackageList = [
       'blocksuite/framework/inline',
       'blocksuite/presets',
       'blocksuite/framework/store',
+      'blocksuite/framework/sync',
     ],
   },
   {
diff --git a/yarn.lock b/yarn.lock
index e0c7958276fef..7f539757030a9 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3804,6 +3804,7 @@ __metadata:
     "@blocksuite/inline": "workspace:*"
     "@blocksuite/presets": "workspace:*"
     "@blocksuite/store": "workspace:*"
+    "@blocksuite/sync": "workspace:*"
   languageName: unknown
   linkType: soft