Symfony\Component\Form\Extension\Core\Type\ChoiceType (Block prefix: "choice")
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  Options                     Overridden options   Parent options                 Extension options      
 --------------------------- -------------------- ------------------------------ ----------------------- 
  choice_attr                 FormType             FormType                       FormTypeCsrfExtension  
  choice_label               -------------------- ------------------------------ ----------------------- 
  choice_loader               compound             action                         csrf_field_name        
  choice_name                 data_class           allow_file_upload              csrf_message           
  choice_translation_domain   empty_data           attr                           csrf_protection        
  choice_value                error_bubbling       attr_translation_parameters    csrf_token_id          
  choices                     trim                 auto_initialize                csrf_token_manager     
  expanded                                         block_name                                            
  group_by                                         block_prefix                                          
  multiple                                         by_reference                                          
  placeholder                                      data                                                  
  preferred_choices                                disabled                                              
                                                   help                                                  
                                                   help_attr                                             
                                                   help_html                                             
                                                   help_translation_parameters                           
                                                   inherit_data                                          
                                                   label                                                 
                                                   label_attr                                            
                                                   label_format                                          
                                                   label_translation_parameters                          
                                                   mapped                                                
                                                   method                                                
                                                   post_max_size_message                                 
                                                   property_path                                         
                                                   required                                              
                                                   row_attr                                              
                                                   translation_domain                                    
                                                   upload_max_size_message                               
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Parent types
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 * Symfony\Component\Form\Extension\Core\Type\FormType

Type extensions
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 * Symfony\Component\Form\Extension\Csrf\Type\FormTypeCsrfExtension