https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21TypedData%21DataReferenceDefinitionInterface.php/11.x
DataReferenceDefinitionInterface.php | Drupal API
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https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21TypedData%21DataReferenceDefinitionInterface.php/interface/implements/DataReferenceDefinitionInterface/11.x
DataReferenceDefinitionInterface | Drupal API
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