public FieldStorageConfig::getOptionsProvider($property_name

public FieldStorageConfig::getCardinality()

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

Defines the Field storage configuration entity. Plugin annotation

The custom storage indexes for the field data storage. This set of indexes is merged with the "default" indexes specified by the field type

The field cardinality. The maximum number of values the field can hold. Possible values are positive integers or FieldStorageDefinitionInte

public FieldStorageConfig::getBundles()

The field name. This is the name of the property under which the field values are placed in an entity: $entity->{$field_name}. The maximum

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

Field-type specific settings. An array of key/value pairs, The keys and default values are defined by the field type.