7 calls to Element::getVisibleChildren() in Drupal 9

Container::preRenderContainer in core/lib/Drupal/Core/Render/Element/Container.php

Prevents optional containers from rendering if they have no children.

Details::preRenderDetails in core/lib/Drupal/Core/Render/Element/Details.php

Adds form element theming to details.

ElementTest::testVisibleChildren in core/tests/Drupal/Tests/Core/Render/ElementTest.php

Tests the visibleChildren() method.

LocalTasksBlock::build in core/lib/Drupal/Core/Menu/Plugin/Block/LocalTasksBlock.php

Builds and returns the renderable array for this block plugin.

media_library_form_views_form_media_library_page_alter in core/modules/media_library/media_library.module

Alter the bulk form to add a more accessible label.

SetCustomize::actions in core/modules/shortcut/src/Form/SetCustomize.php

Returns an array of supported actions for the current entity form.

VerticalTabs::preRenderVerticalTabs in core/lib/Drupal/Core/Render/Element/VerticalTabs.php

Prepares a vertical_tabs element for rendering.