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lib/features/core/data/extensions/map_extensions.dart

@@ -1,6 +1,17 @@
+import 'dart:collection';
+
 extension MapExtensions<A, B> on Map<A, B> {
   Map<A, B> get deepCopy => {...this};
 
   /// Returns the values of a [Map] at given [keys] indices.
   Iterable<B> valuesByKeys({required Iterable<A> keys}) => keys.map((final key) => this[key]!);
 }
+
+extension LinkedHashMapExtensions<A, B> on LinkedHashMap<A, B> {
+  /// Updated the value at [valueIndex] to [newValue], in addition to preserving the order.
+  void updateValueAt({
+    required int valueIndex,
+    required B newValue,
+  }) =>
+      this[keys.toList()[valueIndex]] = newValue;
+}

lib/features/core/data/extensions/value_notifier_extensions.dart

@@ -0,0 +1,5 @@
+import 'package:flutter/cupertino.dart';
+
+extension ValueNotifierBoolExtensions on ValueNotifier<bool> {
+  void flipValue() => value = !value;
+}