https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Field%21TypedData%21FieldItemDataDefinition.php/function/FieldItemDataDefinition%3A%3AgetMainPropertyName/8.9.x
function FieldItemDataDefinition::getMainPropertyName | Drupal API
functiondrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Field%21TypedData%21FieldItemDataDefinition.php/class/FieldItemDataDefinition/8.9.x
class FieldItemDataDefinition | Drupal API
classdrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Field%21TypedData%21FieldItemDataDefinition.php/11.x
FieldItemDataDefinition.php | Drupal API
phpdrupalapi
https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Field%21TypedData%21FieldItemDataDefinition.php/class/FieldItemDataDefinition/11.x
class FieldItemDataDefinition | Drupal API
classdrupalapi