6 methods override HandlerBase::submitOptionsForm()

ArgumentPluginBase::submitOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/argument/ArgumentPluginBase.php
Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
FieldPluginBase::submitOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.php
Performs some cleanup tasks on the options array before saving it.
FilterPluginBase::submitOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/filter/FilterPluginBase.php
Simple submit handler
GroupwiseMax::submitOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/relationship/GroupwiseMax.php
When the form is submitted, take sure to clear the subquery string cache.
SortPluginBase::submitOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/sort/SortPluginBase.php
Simple submit handler
Text::submitOptionsForm in drupal/core/modules/views/lib/Drupal/views/Plugin/views/area/Text.php
Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.