Flag indicating whether the field is available for editing. If TRUE, some actions not available though the UI (but are still possible through

public static FieldConfig::postDelete(EntityStorageInterface $storage

public FieldStorageConfig::isTranslatable()

public FieldStorageConfig::getConstraints()

public FieldStorageConfig::getCardinality()

The maximum length of the field name, in characters. For fields created through Field UI, this includes the 'field_' prefix.

public FieldStorageConfig::getOptionsProvider($property_name

Defines the Field storage configuration entity. Plugin annotation

public FieldStorageConfig::postSave(EntityStorageInterface

A boolean indicating whether or not the field item uses custom storage. Type: bool File