Docs: run the api-extractor on master to update docs (#23726)

* regenerated packages docs.

* fixed spelling issues.

* fixed spelling issues.

docs/sources/packages_api/runtime/echosrv.md

@@ -10,6 +10,8 @@ draft = true
 
 ## EchoSrv interface
 
+Used to send events to all the registered backends. This should be accessed via the [getEchoSrv()](./runtime/getechosrv.md) function. Will, by default, flush events to the backends every 10s or when the flush function is triggered.
+
 <b>Signature</b>
 
 ```typescript
@@ -24,12 +26,14 @@ import { EchoSrv } from '@grafana/runtime';
 
 |  Method | Description |
 |  --- | --- |
-|  [addBackend(backend)](#addbackend-method) |  |
-|  [addEvent(event, meta)](#addevent-method) |  |
-|  [flush()](#flush-method) |  |
+|  [addBackend(backend)](#addbackend-method) | Add a new echo backend to the list of backends that will receive events. |
+|  [addEvent(event, meta)](#addevent-method) | Call this to add event that will be sent to the echo backends upon next flush. |
+|  [flush()](#flush-method) | Call this to flush current events to the echo backends. |
 
 ### addBackend method
 
+Add a new echo backend to the list of backends that will receive events.
+
 <b>Signature</b>
 
 ```typescript
@@ -47,6 +51,8 @@ addBackend(backend: EchoBackend): void;
 
 ### addEvent method
 
+Call this to add event that will be sent to the echo backends upon next flush.
+
 <b>Signature</b>
 
 ```typescript
@@ -56,8 +62,8 @@ addEvent<T extends EchoEvent>(event: Omit<T, 'meta'>, meta?: {}): void;
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
-|  event | <code>Omit&lt;T, 'meta'&gt;</code> |  |
-|  meta | <code>{}</code> |  |
+|  event | <code>Omit&lt;T, 'meta'&gt;</code> | Object containing event information. |
+|  meta | <code>{}</code> | Object that will extend/override the default meta object. |
 
 <b>Returns:</b>
 
@@ -65,6 +71,8 @@ addEvent<T extends EchoEvent>(event: Omit<T, 'meta'>, meta?: {}): void;
 
 ### flush method
 
+Call this to flush current events to the echo backends.
+
 <b>Signature</b>
 
 ```typescript