intermediate

app/lib/utils/debouncer.dart

@@ -0,0 +1,21 @@
+import 'dart:async';
+
+class Debouncer {
+  final Duration debounce;
+
+  Timer? _timer;
+
+  Debouncer(this.debounce);
+
+  bool get isDebouncing => _timer?.isActive ?? false;
+
+  void eventOccured(void Function() callback) {
+    _timer?.cancel();
+    _timer = Timer(debounce, callback);
+  }
+
+  void dispose() {
+    _timer?.cancel();
+    _timer = null;
+  }
+}

app/lib/utils/lru_cache.dart

@@ -34,7 +34,7 @@ class LRUCache<K, V> {
     return value;
   }
 
-  void set(K key, V value) {
+  V set(K key, V value) {
     if (_cache.containsKey(key)) {
       _cache.remove(key); // Remove the existing item before updating.
     } else if (_cache.length == _capacity) {
@@ -43,6 +43,6 @@ class LRUCache<K, V> {
       ); // Explicitly remove the least recently used item if at capacity.
     }
 
-    _cache[key] = value; // Inserting or updating the item.
+    return _cache[key] = value; // Inserting or updating the item.
   }
 }