NullMetric.php
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NullMetric.php
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	<?php
	/**
	* @license GPL-2.0-or-later
	* @file
	*/

	declare( strict_types=1 );

	namespace Wikimedia\Stats\Metrics;

	/**
	* Null Metric Implementation
	*
	* When a request from cache yields a type other than what was requested
	* or an unrecoverable situation has occurred, an instance of this class
	* should be passed to the caller to provide an interface that suppresses
	* method calls against it.
	*
	* @author Cole White
	* @since 1.38
	*/
	class NullMetric {

	/**
	* Silently suppress all undefined method calls.
	*
	* @param $method_name string
	* @param $args array
	* @return NullMetric
	*/
	public function __call( string $method_name, array $args ): NullMetric {
	return $this;
	}

	}