TopBarItemPluginInterface

class \Drupal\navigation\Plugin\TopBarItem\PageActions implements \Drupal\Core\Plugin\ContainerFactoryPluginInterface extends \Drupal\navigation\TopBarItemBase
class \Drupal\navigation\Plugin\TopBarItem\PageContext implements \Drupal\Core\Plugin\ContainerFactoryPluginInterface uses \Drupal\Core\StringTranslation\StringTranslationTrait extends \Drupal\navigation\TopBarItemBase
class \Drupal\navigation\TopBarItemBase implements \Drupal\navigation\TopBarItemPluginInterface extends \Drupal\Component\Plugin\PluginBase
class \Drupal\navigation_test\Plugin\TopBarItem\TopBarItemHigh extends \Drupal\navigation\TopBarItemBase
class \Drupal\navigation_test\Plugin\TopBarItem\TopBarItemInstantiation extends \Drupal\navigation\TopBarItemBase
class \Drupal\navigation_test\Plugin\TopBarItem\TopBarItemLow extends \Drupal\navigation\TopBarItemBase
class \Drupal\navigation_test\Plugin\TopBarItem\TopBarItemZero extends \Drupal\navigation\TopBarItemBase
class \Drupal\navigation_test_top_bar\Plugin\TopBarItem\TopBarItemLinkAttribute uses \Drupal\Core\StringTranslation\StringTranslationTrait extends \Drupal\navigation\TopBarItemBase

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