https://api.drupal.org/api/ctools/src%21Plugin%21DisplayVariant%21BlockDisplayVariant.php/function/BlockDisplayVariant%3A%3AgetConfiguration/8.x-3.x
function BlockDisplayVariant::getConfiguration | Drupal API
functiondrupalapi
https://api.drupal.org/api/ctools/tests%21modules%21ctools_block_display_test%21src%21Plugin%21DisplayVariant%21BlockDisplayVariant.php/function/BlockDisplayVariant%3A%3AgetRegionNames/8.x-3.x
function BlockDisplayVariant::getRegionNames | Drupal API
functiondrupalapi