Flag indicating whether the field is deleted. The

public FieldConfig::__construct(array $values, $entity_type = '

public static FieldConfig::preDelete(EntityStorageInterface $storage

public FieldStorageConfig::hasCustomStorage()

public FieldStorageConfig::getDescription()

public FieldStorageConfig::isBaseField()

public FieldConfig::isDisplayConfigurable($context)

public FieldStorageConfig::getType()

public FieldStorageConfig::calculateDependencies()

public FieldStorageConfig::isDeletable()