feat: [GeminiDataAnalytics] An existing service ContextRetrievalService is removed (#8533)

feat: A new field `example_queries` is added to message `.google.cloud.geminidataanalytics.v1alpha.Context`
feat: A new message `ExampleQuery` is added
feat: A new enum `DataFilterType` is added
feat: A new field `schema` is added to message `.google.cloud.geminidataanalytics.v1alpha.BigQueryTableReference`
feat: A new field `description` is added to message `.google.cloud.geminidataanalytics.v1alpha.Schema`
feat: A new field `synonyms` is added to message `.google.cloud.geminidataanalytics.v1alpha.Schema`
feat: A new field `tags` is added to message `.google.cloud.geminidataanalytics.v1alpha.Schema`
feat: A new field `filters` is added to message `.google.cloud.geminidataanalytics.v1alpha.Schema`
feat: A new field `synonyms` is added to message `.google.cloud.geminidataanalytics.v1alpha.Field`
feat: A new field `tags` is added to message `.google.cloud.geminidataanalytics.v1alpha.Field`
feat: A new field `value_format` is added to message `.google.cloud.geminidataanalytics.v1alpha.Field`
feat: A new message `DataFilter` is added
docs: many comment updates
PiperOrigin-RevId: 797852600
Source-Link: googleapis/googleapis@7c4d9e7
Source-Link: googleapis/googleapis-gen@84da5bb
Copy-Tag: eyJwIjoiR2VtaW5pRGF0YUFuYWx5dGljcy8uT3dsQm90LnlhbWwiLCJoIjoiODRkYTViYmJhOWQxZDU3ZmEzNTkzOTA3MDVlMDgwMGU4NDE4ODhkNiJ9

Author: gcf-owl-bot[bot]

GeminiDataAnalytics/metadata/V1Beta/Context.php

@@ -30,7 +30,8 @@
 use Google\Cloud\GeminiDataAnalytics\V1beta\Message;
 
 /**
- * Answers a data question by generating a stream of [Message]s.
+ * Answers a data question by generating a stream of
+ * [Message][google.cloud.geminidataanalytics.v1alpha.Message] objects.
  *
  * @param string $parent The parent value for chat request.
  *                       Pattern: `projects/{project}/locations/{location}`

GeminiDataAnalytics/metadata/V1Beta/DataAgentService.php

@@ -29,7 +29,7 @@
 use Google\Cloud\GeminiDataAnalytics\V1beta\GetConversationRequest;
 
 /**
- * Gets details of a single conversation using conversation id and parent.
+ * Gets details of a single conversation by using conversation id and parent.
  *
  * @param string $formattedName Name of the resource.
  *                              Format:

GeminiDataAnalytics/metadata/V1Beta/Datasource.php

@@ -51,7 +51,7 @@
 
 /**
  * Service Description: Service to ask a natural language question on top of BigQuery
- * and LookerStudio datasources to get back streamed responses of various kinds
+ * and Looker Studio datasources to get back streamed responses of various kinds
  * to help provide a rich conversational answer.
  *
  * This class provides the ability to make remote calls to the backing service through method
@@ -307,7 +307,8 @@ public function __call($method, $args)
     }
 
     /**
-     * Answers a data question by generating a stream of [Message]s.
+     * Answers a data question by generating a stream of
+     * [Message][google.cloud.geminidataanalytics.v1alpha.Message] objects.
      *
      * @example samples/V1beta/DataChatServiceClient/chat.php
      *
@@ -360,7 +361,7 @@ public function createConversation(CreateConversationRequest $request, array $ca
     }
 
     /**
-     * Gets details of a single conversation using conversation id and parent.
+     * Gets details of a single conversation by using conversation id and parent.
      *
      * The async variant is {@see DataChatServiceClient::getConversationAsync()} .
      *