8 methods override BlockPluginTrait::blockForm()

AggregatorFeedBlock::blockForm in core/modules/aggregator/src/Plugin/Block/AggregatorFeedBlock.php
BlockContentBlock::blockForm in core/modules/block_content/src/Plugin/Block/BlockContentBlock.php
Overrides \Drupal\Core\Block\BlockBase::blockForm().
Broken::blockForm in core/lib/Drupal/Core/Block/Plugin/Block/Broken.php
Returns the configuration form elements specific to this block plugin.
LocalTasksBlock::blockForm in core/lib/Drupal/Core/Menu/Plugin/Block/LocalTasksBlock.php
SystemBrandingBlock::blockForm in core/modules/system/src/Plugin/Block/SystemBrandingBlock.php
SystemMenuBlock::blockForm in core/modules/system/src/Plugin/Block/SystemMenuBlock.php
TestBlockInstantiation::blockForm in core/modules/block/tests/modules/block_test/src/Plugin/Block/TestBlockInstantiation.php
TestSettingsValidationBlock::blockForm in core/modules/block/tests/modules/block_test/src/Plugin/Block/TestSettingsValidationBlock.php

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