Deprecated Code Report

php drupal-check.phar modules/contrib/http_response_headers/
 8/8 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100%

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  Line   http_response_headers.install                               
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  59     Call to deprecated method entityManager() of class Drupal.  
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  Line   src/Controller/ResponseHeaderListBuilder.php                                         
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  26     Call to deprecated method getLabel() of class Drupal\Core\Entity\EntityListBuilder.  
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  Line   src/Form/ResponseHeaderDeleteForm.php              
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  41     Call to deprecated function drupal_set_message().  
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  Line   src/Form/ResponseHeaderForm.php                    
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  102    Call to deprecated function drupal_set_message().  
  107    Call to deprecated function drupal_set_message().  
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 [ERROR] Found 5 errors