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Last updated 2025-05-15 UTC.
[null,null,["Last updated 2025-05-15 UTC."],[],[],null,["# androidx.datastore.preferences.core\n===================================\n\n*** ** * ** ***\n\n[Kotlin](/reference/kotlin/androidx/datastore/preferences/core/package-summary \"View this page in Kotlin\") \\|Java\n\nClasses\n-------\n\n|---------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------------|\n| [MutablePreferences](/reference/androidx/datastore/preferences/core/MutablePreferences) | Mutable version of [Preferences](/reference/androidx/datastore/preferences/core/Preferences). |\n| [Preferences](/reference/androidx/datastore/preferences/core/Preferences) | Preferences and MutablePreferences are a lot like a generic Map and MutableMap keyed by the Preferences.Key class. |\n| [Preferences.Key](/reference/androidx/datastore/preferences/core/Preferences.Key) | Key for values stored in Preferences. |\n| [Preferences.Pair](/reference/androidx/datastore/preferences/core/Preferences.Pair) | Key Value pairs for Preferences. |\n| [PreferencesFactory](/reference/androidx/datastore/preferences/core/PreferencesFactory) | |\n| [PreferencesKeys](/reference/androidx/datastore/preferences/core/PreferencesKeys) | |\n| [PreferencesKt](/reference/androidx/datastore/preferences/core/PreferencesKt) | |\n| [PreferenceDataStoreFactory](/reference/androidx/datastore/preferences/core/PreferenceDataStoreFactory) | |\n| [PreferencesFileSerializer](/reference/androidx/datastore/preferences/core/PreferencesFileSerializer) | Proto based serializer for Preferences. |\n| [PreferencesSerializer](/reference/androidx/datastore/preferences/core/PreferencesSerializer) | Proto based serializer for Preferences. |"]]