feat: [AnalyticsData] add EmptyFilter type to the Data API v1beta

AnalyticsData/samples/V1beta/BetaAnalyticsDataClient/batch_run_pivot_reports.php

@@ -30,7 +30,7 @@
 
 /**
  * Returns multiple pivot reports in a batch. All reports must be for the same
- * GA4 Property.
+ * Google Analytics property.
  *
  * This sample has been automatically generated and should be regarded as a code
  * template only. It will require modifications to work:

AnalyticsData/samples/V1beta/BetaAnalyticsDataClient/batch_run_reports.php

@@ -30,7 +30,7 @@
 
 /**
  * Returns multiple reports in a batch. All reports must be for the same
- * GA4 Property.
+ * Google Analytics property.
  *
  * This sample has been automatically generated and should be regarded as a code
  * template only. It will require modifications to work:

AnalyticsData/samples/V1beta/BetaAnalyticsDataClient/get_metadata.php

@@ -31,7 +31,7 @@
 /**
  * Returns metadata for dimensions and metrics available in reporting methods.
  * Used to explore the dimensions and metrics. In this method, a Google
- * Analytics GA4 Property Identifier is specified in the request, and
+ * Analytics property identifier is specified in the request, and
  * the metadata response includes Custom dimensions and metrics as well as
  * Universal metadata.
  *
@@ -42,7 +42,7 @@
  *
  * @param string $formattedName The resource name of the metadata to retrieve. This name field is
  *                              specified in the URL path and not URL parameters. Property is a numeric
- *                              Google Analytics GA4 Property identifier. To learn more, see [where to find
+ *                              Google Analytics property identifier. To learn more, see [where to find
  *                              your Property
  *                              ID](https://developers.google.com/analytics/devguides/reporting/data/v1/property-id).
  *

AnalyticsData/src/V1beta/Client/BetaAnalyticsDataClient.php

@@ -328,7 +328,7 @@ public function __call($method, $args)
 
     /**
      * Returns multiple pivot reports in a batch. All reports must be for the same
-     * GA4 Property.
+     * Google Analytics property.
      *
      * The async variant is {@see BetaAnalyticsDataClient::batchRunPivotReportsAsync()}
      * .
@@ -358,7 +358,7 @@ public function batchRunPivotReports(BatchRunPivotReportsRequest $request, array
 
     /**
      * Returns multiple reports in a batch. All reports must be for the same
-     * GA4 Property.
+     * Google Analytics property.
      *
      * The async variant is {@see BetaAnalyticsDataClient::batchRunReportsAsync()} .
      *
@@ -517,7 +517,7 @@ public function getAudienceExport(GetAudienceExportRequest $request, array $call
     /**
      * Returns metadata for dimensions and metrics available in reporting methods.
      * Used to explore the dimensions and metrics. In this method, a Google
-     * Analytics GA4 Property Identifier is specified in the request, and
+     * Analytics property identifier is specified in the request, and
      * the metadata response includes Custom dimensions and metrics as well as
      * Universal metadata.
      *