8 methods override StorageInterface::deleteAll()

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

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