Deprecated Code Report

php drupal-check.phar modules/contrib/search_api_synonym/
 27/27 [▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓] 100%

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  Line   src/Command/ExportDrupalCommand.php                                                                         
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  23     Class Drupal\Console\Core\Command\Shared\ContainerAwareCommandTrait not found and could not be autoloaded.  
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  Line   src/Command/SynonymDrushCommands.php                                       
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         Class Drush\Commands\DrushCommands not found and could not be autoloaded.  
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  Line   src/Export/ExportPluginInterface.php                                                                                                                
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  13     Interface Drupal\search_api_synonym\Export\ExportPluginInterface extends deprecated interface Drupal\Component\Plugin\ConfigurablePluginInterface.  
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  Line   src/Export/ExportPluginManager.php                       
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  218    Call to deprecated function file_prepare_directory().    
  222    Call to deprecated function file_unmanaged_save_data().  
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  Line   src/Form/SynonymForm.php                           
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  45     Call to deprecated function drupal_set_message().  
  51     Call to deprecated function drupal_set_message().  
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  Line   src/Form/SynonymImportForm.php                     
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  232    Call to deprecated function drupal_set_message().  
  237    Call to deprecated function drupal_set_message().  
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  Line   src/Import/ImportException.php                                                                                                               
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         Class Drupal\search_api_synonym\ImportException was not found while trying to analyse it - autoloading is probably not configured properly.  
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  Line   src/Import/ImportPluginInterface.php                                                                                                                
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  15     Interface Drupal\search_api_synonym\Import\ImportPluginInterface extends deprecated interface Drupal\Component\Plugin\ConfigurablePluginInterface.  
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  Line   src/Import/Importer.php                            
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  247    Call to deprecated function drupal_set_message().  
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 [ERROR] Found 12 errors