more changes for the summary index

apps/simple/summaryIndex.ts

 import {
   Document,
-  ListRetrieverMode,
   SimpleNodeParser,
   SummaryIndex,
+  SummaryRetrieverMode,
   serviceContextFromDefaults,
 } from "llamaindex";
 import essay from "./essay";
@@ -18,7 +18,7 @@ async function main() {
     serviceContext,
   });
   const queryEngine = index.asQueryEngine({
-    retriever: index.asRetriever({ mode: ListRetrieverMode.LLM }),
+    retriever: index.asRetriever({ mode: SummaryRetrieverMode.LLM }),
   });
   const response = await queryEngine.query(
     "What did the author do growing up?",

examples/summaryIndex.ts

 import {
   Document,
-  ListRetrieverMode,
   SimpleNodeParser,
+  SummaryIndex,
+  SummaryRetrieverMode,
   serviceContextFromDefaults,
 } from "llamaindex";
 import essay from "./essay";
@@ -13,9 +14,11 @@ async function main() {
     }),
   });
   const document = new Document({ text: essay, id_: "essay" });
-  const index = await ListIndex.fromDocuments([document], { serviceContext });
+  const index = await SummaryIndex.fromDocuments([document], {
+    serviceContext,
+  });
   const queryEngine = index.asQueryEngine({
-    retriever: index.asRetriever({ mode: ListRetrieverMode.LLM }),
+    retriever: index.asRetriever({ mode: SummaryRetrieverMode.LLM }),
   });
   const response = await queryEngine.query(
     "What did the author do growing up?",

packages/core/src/indices/summary/SummaryIndex.ts

@@ -254,3 +254,4 @@ export class SummaryIndex extends BaseIndex<IndexList> {
 
 // Legacy
 export type ListIndex = SummaryIndex;
+export type ListRetrieverMode = SummaryRetrieverMode;

packages/core/src/indices/summary/index.ts

-export {
-  SummaryRetrieverMode as ListRetrieverMode,
-  SummaryIndex,
-} from "./SummaryIndex";
-export type { ListIndex } from "./SummaryIndex";
+export { SummaryIndex, SummaryRetrieverMode } from "./SummaryIndex";
+export type { ListIndex, ListRetrieverMode } from "./SummaryIndex";
 export {
   SummaryIndexLLMRetriever,
   SummaryIndexRetriever,