13 methods override ConfigurableInterface::defaultConfiguration()

ConditionPluginBase::defaultConfiguration in core/lib/Drupal/Core/Condition/ConditionPluginBase.php
ConfigurableActionBase::defaultConfiguration in core/lib/Drupal/Core/Action/ConfigurableActionBase.php
ConfigurablePlugin::defaultConfiguration in core/tests/Drupal/Tests/Core/Plugin/DefaultSingleLazyPluginCollectionTest.php
ConfigurableSearchPluginBase::defaultConfiguration in core/modules/search/src/Plugin/ConfigurableSearchPluginBase.php
FilterBase::defaultConfiguration in core/modules/filter/src/Plugin/FilterBase.php
ImageEffectBase::defaultConfiguration in core/modules/image/src/ImageEffectBase.php
LayoutDefault::defaultConfiguration in core/lib/Drupal/Core/Layout/LayoutDefault.php
MediaSourceBase::defaultConfiguration in core/modules/media/src/MediaSourceBase.php
SelectionPluginBase::defaultConfiguration in core/lib/Drupal/Core/Entity/EntityReferenceSelection/SelectionPluginBase.php
TestConfigurableContextAwarePlugin::defaultConfiguration in core/tests/Drupal/KernelTests/Core/Plugin/Context/ContextAwarePluginTraitTest.php
TestConfigurablePlugin::defaultConfiguration in core/tests/Drupal/Tests/Core/Plugin/Fixtures/TestConfigurablePlugin.php
VariantBase::defaultConfiguration in core/lib/Drupal/Core/Display/VariantBase.php
WorkflowTypeBase::defaultConfiguration in core/modules/workflows/src/Plugin/WorkflowTypeBase.php

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