namespace Drupal\field\Plugin

Classsort descending Location Description
PluginSettingsBase drupal/core/modules/field/lib/Drupal/field/Plugin/PluginSettingsBase.php Base class for the Field API plugins.
PluginSettingsInterface drupal/core/modules/field/lib/Drupal/field/Plugin/PluginSettingsInterface.php Interface definition for plugin with settings.