6 methods override PluginBag::initializePlugin()

ActionBag::initializePlugin in drupal/core/lib/Drupal/Core/Action/ActionBag.php
Initializes a plugin and stores the result in $this->pluginInstances.
BlockPluginBag::initializePlugin in drupal/core/modules/block/lib/Drupal/block/BlockPluginBag.php
Initializes a plugin and stores the result in $this->pluginInstances.
DisplayBag::initializePlugin in drupal/core/modules/views/lib/Drupal/views/DisplayBag.php
Overrides \Drupal\Component\Plugin\PluginBag::initializePlugin().
FilterBag::initializePlugin in drupal/core/modules/filter/lib/Drupal/filter/FilterBag.php
Initializes a plugin and stores the result in $this->pluginInstances.
TestPluginBag::initializePlugin in drupal/core/modules/system/tests/modules/plugin_test/lib/Drupal/plugin_test/Plugin/TestPluginBag.php
Implements \Drupal\Component\Plugin\PluginBag::initializePlugin().
TipsBag::initializePlugin in drupal/core/modules/tour/lib/Drupal/tour/TipsBag.php
Overrides \Drupal\Component\Plugin\PluginBag::initializePlugin().