public FieldConfigBase::getType() Returns

The field name. Type: string File core/lib/Drupal/C

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

public FieldConfigBase::getConstraints()

The human-readable label for the field. This will be used as the title of Form API elements for the field in entity edit forms, or as the label

public FieldConfigBase::isList() Returns