docs: Use Collection for relational data example

Author: ntucker

.github/instructions/manager.instructions.md

@@ -70,7 +70,8 @@ export default class LoggingManager implements Manager {
 }
 ```
 
-`actionTypes`: FETCH, SET, SET_RESPONSE, RESET, SUBSCRIBE, UNSUBSCRIBE, INVALIDATE, INVALIDATEALL, EXPIREALL
+Always use `actionTypes` members to check action.type.
+`actionTypes` has: FETCH, SET, SET_RESPONSE, RESET, SUBSCRIBE, UNSUBSCRIBE, INVALIDATE, INVALIDATEALL, EXPIREALL
 
 [actions](https://dataclient.io/docs/api/Actions) docs details the action types and their payloads.
 

docs/rest/guides/relational-data.md

@@ -120,7 +120,11 @@ export class Post extends Entity {
 
   static schema = {
     author: User,
-    comments: [Comment],
+    comments: new schema.Collection([Comment], {
+      nestKey: (parent, key) => ({
+        postId: parent.id,
+      }),
+    }),
   };
 }
 

examples/coin-app/src/resources/StreamManager.ts

@@ -7,15 +7,15 @@ import type { Entity } from '@data-client/rest';
  * https://docs.cloud.coinbase.com/advanced-trade-api/docs/ws-overview
  */
 export default class StreamManager implements Manager {
-  protected declare evtSource: WebSocket; // | EventSource;
-  protected declare createEventSource: () => WebSocket; // | EventSource;
-  protected declare entities: Record<string, typeof Entity>;
+  declare protected evtSource: WebSocket; // | EventSource;
+  declare protected createEventSource: () => WebSocket; // | EventSource;
+  declare protected entities: Record<string, typeof Entity>;
   protected msgQueue: (string | ArrayBufferLike | Blob | ArrayBufferView)[] =
     [];
 
   protected product_ids: string[] = [];
   private attempts = 0;
-  protected declare controller: Controller;
+  declare protected controller: Controller;
 
   constructor(
     evtSource: () => WebSocket, // | EventSource,