feat(server): impl native reader for server (#14100)

packages/backend/native/index.d.ts

@@ -27,6 +27,29 @@ export declare function mergeUpdatesInApplyWay(updates: Array<Buffer>): Buffer
 
 export declare function mintChallengeResponse(resource: string, bits?: number | undefined | null): Promise<string>
 
+export interface NativeBlockInfo {
+  blockId: string
+  flavour: string
+  content?: Array<string>
+  blob?: Array<string>
+  refDocId?: Array<string>
+  refInfo?: Array<string>
+  parentFlavour?: string
+  parentBlockId?: string
+  additional?: string
+}
+
+export interface NativeCrawlResult {
+  blocks: Array<NativeBlockInfo>
+  title: string
+  summary: string
+}
+
+export interface NativeMarkdownResult {
+  title: string
+  markdown: string
+}
+
 export interface ParsedDoc {
   name: string
   chunks: Array<Chunk>
@@ -34,4 +57,10 @@ export interface ParsedDoc {
 
 export declare function parseDoc(filePath: string, doc: Buffer): Promise<ParsedDoc>
 
+export declare function parseDocFromBinary(docBin: Buffer, docId: string): NativeCrawlResult
+
+export declare function parseDocToMarkdown(docBin: Buffer, docId: string, aiEditable?: boolean | undefined | null): NativeMarkdownResult
+
+export declare function readAllDocIdsFromRootDoc(docBin: Buffer, includeTrash?: boolean | undefined | null): Array<string>
+
 export declare function verifyChallengeResponse(response: string, bits: number, resource: string): Promise<boolean>