| action | 
                    ""  | 
                
                                
                    | allow_extra_fields | 
                    false  | 
                
                                
                    | allow_file_upload | 
                    false  | 
                
                                
                    | attr | 
                    []  | 
                
                                
                    | attr_translation_parameters | 
                    []  | 
                
                                
                    | auto_initialize | 
                    false  | 
                
                                
                    | block_name | 
                    null  | 
                
                                
                    | block_prefix | 
                    null  | 
                
                                
                    | by_reference | 
                    true  | 
                
                                
                    | compound | 
                    false  | 
                
                                
                    | constraints | 
                    [
  Symfony\Component\Validator\Constraints\NotNull {#908
    +message: "This value should not be null."
    +payload: null
    +"groups": [
      "Default"
    ]
  }
] | 
                
                                
                    | data_class | 
                    null  | 
                
                                
                    | disabled | 
                    false  | 
                
                                
                    | documentation | 
                    []  | 
                
                                
                    | empty_data | 
                    Closure(FormInterface $form) {#923
  class: "Symfony\Component\Form\Extension\Core\Type\FormType"
  this: Symfony\Component\Form\Extension\Core\Type\FormType {#855 …}
} | 
                
                                
                    | error_bubbling | 
                    false  | 
                
                                
                    | error_mapping | 
                    []  | 
                
                                
                    | extra_fields_message | 
                    "This form should not contain extra fields."  | 
                
                                
                    | help | 
                    null  | 
                
                                
                    | help_attr | 
                    []  | 
                
                                
                    | help_html | 
                    false  | 
                
                                
                    | help_translation_parameters | 
                    []  | 
                
                                
                    | inherit_data | 
                    false  | 
                
                                
                    | invalid_message | 
                    "This value is not valid."  | 
                
                                
                    | invalid_message_parameters | 
                    []  | 
                
                                
                    | label | 
                    null  | 
                
                                
                    | label_attr | 
                    []  | 
                
                                
                    | label_format | 
                    null  | 
                
                                
                    | label_translation_parameters | 
                    []  | 
                
                                
                    | mapped | 
                    true  | 
                
                                
                    | method | 
                    "POST"  | 
                
                                
                    | post_max_size_message | 
                    "The uploaded file was too large. Please try to upload a smaller file."  | 
                
                                
                    | property_path | 
                    null  | 
                
                                
                    | required | 
                    true  | 
                
                                
                    | row_attr | 
                    []  | 
                
                                
                    | translation_domain | 
                    null  | 
                
                                
                    | trim | 
                    true  | 
                
                                
                    | upload_max_size_message | 
                    Closure() {#925
  class: "Symfony\Component\Form\Extension\Validator\Type\UploadValidatorExtension"
  this: Symfony\Component\Form\Extension\Validator\Type\UploadValidatorExtension {#892 …}
  use: {
    $translator: Symfony\Component\Translation\DataCollectorTranslator {#328 …}
    $translationDomain: "validators"
    $message: Closure() {#924 …}
  }
} | 
                
                                
                    | validation_groups | 
                    null  |