installed plugin W3 Total Cache version 2.3.2

wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/PersonalizeRuntime/Exception/PersonalizeRuntimeException.php

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+<?php
+namespace Aws\PersonalizeRuntime\Exception;
+
+use Aws\Exception\AwsException;
+
+/**
+ * Represents an error interacting with the **Amazon Personalize Runtime** service.
+ */
+class PersonalizeRuntimeException extends AwsException {}

wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/PersonalizeRuntime/PersonalizeRuntimeClient.php

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+<?php
+namespace Aws\PersonalizeRuntime;
+
+use Aws\AwsClient;
+
+/**
+ * This client is used to interact with the **Amazon Personalize Runtime** service.
+ * @method \Aws\Result getPersonalizedRanking(array $args = [])
+ * @method \GuzzleHttp\Promise\Promise getPersonalizedRankingAsync(array $args = [])
+ * @method \Aws\Result getRecommendations(array $args = [])
+ * @method \GuzzleHttp\Promise\Promise getRecommendationsAsync(array $args = [])
+ */
+class PersonalizeRuntimeClient extends AwsClient {}