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lib/utils/callback_debouncer.dart

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+import 'dart:async';
+
+import 'package:flutter/foundation.dart';
+
+class CallbackDebouncer {
+  CallbackDebouncer(this._delay);
+
+  final Duration _delay;
+  Timer? _timer;
+
+  /// Calls the given [callback] after the given duration has passed.
+  void call(VoidCallback callback) {
+    if (_delay == Duration.zero) {
+      callback();
+    } else {
+      _timer?.cancel();
+      _timer = Timer(_delay, callback);
+    }
+  }
+
+  /// Stops any running timers and disposes this instance.
+  void dispose() {
+    _timer?.cancel();
+  }
+}