12 methods override StorageInterface::deleteAll()

CachedStorage::deleteAll in core/lib/Drupal/Core/Config/CachedStorage.php
CheckpointStorage::deleteAll in core/lib/Drupal/Core/Config/Checkpoint/CheckpointStorage.php
DatabaseStorage::deleteAll in core/lib/Drupal/Core/Config/DatabaseStorage.php
FileStorage::deleteAll in core/lib/Drupal/Core/Config/FileStorage.php
ManagedStorage::deleteAll in core/lib/Drupal/Core/Config/ManagedStorage.php
MemoryStorage::deleteAll in core/lib/Drupal/Core/Config/MemoryStorage.php
NullStorage::deleteAll in core/lib/Drupal/Core/Config/NullStorage.php
ReadOnlyStorage::deleteAll in core/lib/Drupal/Core/Config/ReadOnlyStorage.php
RecipeConfigStorageWrapper::deleteAll in core/lib/Drupal/Core/Recipe/RecipeConfigStorageWrapper.php
RecipeExtensionConfigStorage::deleteAll in core/lib/Drupal/Core/Recipe/RecipeExtensionConfigStorage.php
Deletes configuration objects whose names start with a given prefix.
RecipeOverrideConfigStorage::deleteAll in core/lib/Drupal/Core/Recipe/RecipeOverrideConfigStorage.php
StorageReplaceDataWrapper::deleteAll in core/modules/config/src/StorageReplaceDataWrapper.php

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