public FieldConfigInterface::setDescription($description)

public static FieldItemInterface::generateSampleValue(FieldDefinitionInterface

public AllowedTagsXssTrait::displayAllowedTags()

The name of the entity type the field is attached to. Type: string File

public FieldItemList::filterEmptyItems() Filters

protected WidgetBase::getFieldSetting($setting_name)

The field type. Example: text, integer. Type: string File

The state keyvalue collection. Type:

public FieldItemListInterface::preSave()