Data plugin: Suggested enhance pattern (#74505)

* improve test stability

* Enhance pattern

* fix tests

* fix test

* Rename enhance to __enhance

* Deleted unnecessary attribute

* ISearchInterceptor interface

* docs

* Clean up internal docs

* jest

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

Author: lizozom

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.searchinterceptor.abortcontroller.md

@@ -2,12 +2,16 @@
 
 [Home](./index.md) > [kibana-plugin-plugins-data-public](./kibana-plugin-plugins-data-public.md) > [SearchInterceptor](./kibana-plugin-plugins-data-public.searchinterceptor.md) > [getPendingCount$](./kibana-plugin-plugins-data-public.searchinterceptor.getpendingcount_.md)
 
-## SearchInterceptor.getPendingCount$ property
+## SearchInterceptor.getPendingCount$() method
 
 Returns an `Observable` over the current number of pending searches. This could mean that one of the search requests is still in flight, or that it has only received partial responses.
 
 <b>Signature:</b>
 
 ```typescript
-getPendingCount$: () => Observable<number>;
+getPendingCount$(): Observable<number>;
 ```
+<b>Returns:</b>
+
+`Observable<number>`
+

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.searchinterceptor.getpendingcount_.md

@@ -20,22 +20,15 @@ export declare class SearchInterceptor
 
 |  Property | Modifiers | Type | Description |
 |  --- | --- | --- | --- |
-|  [abortController](./kibana-plugin-plugins-data-public.searchinterceptor.abortcontroller.md) |  | <code>AbortController</code> | <code>abortController</code> used to signal all searches to abort. |
 |  [deps](./kibana-plugin-plugins-data-public.searchinterceptor.deps.md) |  | <code>SearchInterceptorDeps</code> |  |
-|  [getPendingCount$](./kibana-plugin-plugins-data-public.searchinterceptor.getpendingcount_.md) |  | <code>() =&gt; Observable&lt;number&gt;</code> | Returns an <code>Observable</code> over the current number of pending searches. This could mean that one of the search requests is still in flight, or that it has only received partial responses. |
-|  [hideToast](./kibana-plugin-plugins-data-public.searchinterceptor.hidetoast.md) |  | <code>() =&gt; void</code> |  |
-|  [longRunningToast](./kibana-plugin-plugins-data-public.searchinterceptor.longrunningtoast.md) |  | <code>Toast</code> | The current long-running toast (if there is one). |
-|  [pendingCount](./kibana-plugin-plugins-data-public.searchinterceptor.pendingcount.md) |  | <code>number</code> | The number of pending search requests. |
-|  [pendingCount$](./kibana-plugin-plugins-data-public.searchinterceptor.pendingcount_.md) |  | <code>BehaviorSubject&lt;number&gt;</code> | Observable that emits when the number of pending requests changes. |
 |  [requestTimeout](./kibana-plugin-plugins-data-public.searchinterceptor.requesttimeout.md) |  | <code>number &#124; undefined</code> |  |
-|  [showToast](./kibana-plugin-plugins-data-public.searchinterceptor.showtoast.md) |  | <code>() =&gt; void</code> |  |
-|  [timeoutSubscriptions](./kibana-plugin-plugins-data-public.searchinterceptor.timeoutsubscriptions.md) |  | <code>Subscription</code> | The subscriptions from scheduling the automatic timeout for each request. |
 
 ## Methods
 
 |  Method | Modifiers | Description |
 |  --- | --- | --- |
+|  [getPendingCount$()](./kibana-plugin-plugins-data-public.searchinterceptor.getpendingcount_.md) |  | Returns an <code>Observable</code> over the current number of pending searches. This could mean that one of the search requests is still in flight, or that it has only received partial responses. |
 |  [runSearch(request, signal, strategy)](./kibana-plugin-plugins-data-public.searchinterceptor.runsearch.md) |  |  |
-|  [search(request, options)](./kibana-plugin-plugins-data-public.searchinterceptor.search.md) |  | Searches using the given <code>search</code> method. Overrides the <code>AbortSignal</code> with one that will abort either when <code>cancelPending</code> is called, when the request times out, or when the original <code>AbortSignal</code> is aborted. Updates the <code>pendingCount</code> when the request is started/finalized. |
+|  [search(request, options)](./kibana-plugin-plugins-data-public.searchinterceptor.search.md) |  | Searches using the given <code>search</code> method. Overrides the <code>AbortSignal</code> with one that will abort either when <code>cancelPending</code> is called, when the request times out, or when the original <code>AbortSignal</code> is aborted. Updates <code>pendingCount$</code> when the request is started/finalized. |
 |  [setupTimers(options)](./kibana-plugin-plugins-data-public.searchinterceptor.setuptimers.md) |  |  |
 

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.searchinterceptor.hidetoast.md

@@ -4,7 +4,7 @@
 
 ## SearchInterceptor.search() method
 
-Searches using the given `search` method. Overrides the `AbortSignal` with one that will abort either when `cancelPending` is called, when the request times out, or when the original `AbortSignal` is aborted. Updates the `pendingCount` when the request is started/finalized.
+Searches using the given `search` method. Overrides the `AbortSignal` with one that will abort either when `cancelPending` is called, when the request times out, or when the original `AbortSignal` is aborted. Updates `pendingCount$` when the request is started/finalized.
 
 <b>Signature:</b>