PHPStan on Prestashop module

gistfile1.txt

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  Line   psxmarketingwithgoogle.php                                                                                               
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  36     Class PsxMarketingWithGoogle extends unknown class Module.                                                               
         💡 Learn more at https://phpstan.org/user-guide/discovering-symbols                                                       
  72     Access to an undefined property PsxMarketingWithGoogle::$name.                                                           
  73     Access to an undefined property PsxMarketingWithGoogle::$tab.                                                            
  74     Access to an undefined property PsxMarketingWithGoogle::$version.                                                        
  75     Access to an undefined property PsxMarketingWithGoogle::$author.                                                         
  76     Access to an undefined property PsxMarketingWithGoogle::$need_instance.                                                  
  77     Access to an undefined property PsxMarketingWithGoogle::$module_key.                                                     
  79     Access to an undefined property PsxMarketingWithGoogle::$bootstrap.