8 methods override StorageInterface::exists()

CachedStorage::exists in core/lib/Drupal/Core/Config/CachedStorage.php
Returns whether a configuration object exists.
DatabaseStorage::exists in core/lib/Drupal/Core/Config/DatabaseStorage.php
Returns whether a configuration object exists.
FileStorage::exists in core/lib/Drupal/Core/Config/FileStorage.php
Returns whether a configuration object exists.
ManagedStorage::exists in core/lib/Drupal/Core/Config/ManagedStorage.php
Returns whether a configuration object exists.
MemoryStorage::exists in core/lib/Drupal/Core/Config/MemoryStorage.php
Returns whether a configuration object exists.
NullStorage::exists in core/lib/Drupal/Core/Config/NullStorage.php
Returns whether a configuration object exists.
ReadOnlyStorage::exists in core/lib/Drupal/Core/Config/ReadOnlyStorage.php
Returns whether a configuration object exists.
StorageReplaceDataWrapper::exists in core/modules/config/src/StorageReplaceDataWrapper.php
Returns whether a configuration object exists.

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