fix wrong return type of LoggerHandler::getInstance
# Conflicts: # src/LoggerHandler.php
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@ -20,10 +20,14 @@ use Psr\Log\NullLogger;
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class LoggerHandler
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{
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/** @var LoggerHandler */
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private static $instance = null;
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private $logger;
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public static function getInstance()
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/**
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* @return LoggerHandler
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*/
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public static function getInstance(): LoggerHandler
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{
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if (self::$instance === null) {
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self::$instance = new self();
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