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

public FieldStorageConfig::__construct(array $values

Flag indicating whether the field is translatable. Defaults to TRUE. Type: bool

public FieldStorageConfig::getConstraint($constra

protected FieldStorageConfig::getFieldItemClass()

public FieldStorageConfig::getPropertyNames()