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wp-content/plugins/query-monitor/classes/DataCollector.php

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+<?php declare(strict_types = 1);
+/**
+ * Abstract data collector for structured data.
+ *
+ * @package query-monitor
+ */
+
+/**
+ * @phpstan-template T of QM_Data
+ */
+abstract class QM_DataCollector extends QM_Collector {
+	/**
+	 * @var QM_Data
+	 * @phpstan-var T
+	 */
+	protected $data;
+
+	/**
+	 * @return QM_Data
+	 * @phpstan-return T
+	 */
+	final public function get_data() {
+		return $this->data;
+	}
+}