ValidateExtendedMetadataCacheHook.php
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ValidateExtendedMetadataCacheHook.php
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	<?php

	namespace MediaWiki\Hook;

	use File;

	/**
	* This is a hook handler interface, see docs/Hooks.md.
	* Use the hook name "ValidateExtendedMetadataCache" to register handlers implementing this interface.
	*
	* @stable to implement
	* @ingroup Hooks
	*/
	interface ValidateExtendedMetadataCacheHook {
	/**
	* Use this hook to validate the cached metadata in
	* FormatMetadata::getExtendedMeta.
	*
	* @since 1.35
	*
	* @param string $timestamp Timestamp metadata was generated
	* @param File $file File the metadata is for
	* @return bool\|void True or no return value to continue, or false to
	* invalidate cache and call GetExtendedMetadata hook again
	*/
	public function onValidateExtendedMetadataCache( $timestamp, $file );
	}