Simplify import paths

finlog_app/fluttery/lib/preferences.dart

@@ -0,0 +1,40 @@
+import 'package:fluttery/fluttery.dart';
+
+/// providing methods for managing persistent storage of key-value pairs.
+abstract class Preferences implements Service {
+  /// Stores a string value with the given [key].
+  Future<void> setString(String key, String value);
+
+  /// Retrieves the string value associated with the given [key].
+  Future<String?> getString(String key);
+
+  /// Stores an integer value with the given [key].
+  Future<void> setInt(String key, int value);
+
+  /// Retrieves the integer value associated with the given [key].
+  Future<int?> getInt(String key);
+
+  /// Stores a boolean value with the given [key].
+  Future<void> setBool(String key, bool value);
+
+  /// Retrieves the boolean value associated with the given [key].
+  Future<bool?> getBool(String key);
+
+  /// Stores a double value with the given [key].
+  Future<void> setDouble(String key, double value);
+
+  /// Retrieves the double value associated with the given [key].
+  Future<double?> getDouble(String key);
+
+  /// Stores a list of strings with the given [key].
+  Future<void> setStringList(String key, List<String> value);
+
+  /// Retrieves the list of strings associated with the given [key].
+  Future<List<String>?> getStringList(String key);
+
+  /// Removes the key-value pair associated with the given [key].
+  Future<void> remove(String key);
+
+  /// Clears all key-value pairs in the preferences.
+  Future<void> clear();
+}