6 methods override PluginBase::validate() in Drupal 8

DisplayExtenderTest3::validate in core/modules/views/tests/modules/views_test_data/src/Plugin/views/display_extender/DisplayExtenderTest3.php

Validate that the plugin is correct and can be saved.

DisplayPluginBase::validate in core/modules/views/src/Plugin/views/display/DisplayPluginBase.php

Validate that the plugin is correct and can be saved.

HandlerBase::validate in core/modules/views/src/Plugin/views/HandlerBase.php

Validate that the plugin is correct and can be saved.

OpmlFields::validate in core/modules/views/src/Plugin/views/row/OpmlFields.php

Validate that the plugin is correct and can be saved.

RssFields::validate in core/modules/views/src/Plugin/views/row/RssFields.php

Validate that the plugin is correct and can be saved.

StylePluginBase::validate in core/modules/views/src/Plugin/views/style/StylePluginBase.php

Validate that the plugin is correct and can be saved.