Extension method added on same type

conflict_collection_extension.dart

extension CollectionExtension<T> on List<T> {
  bool isNullOrEmpty() {
    return this == null || this.length == 0;
  }
}

extension CollectionNumExtension<T extends num> on List<T> {
  T max() {
    if (this.isNullOrEmpty()) throw Exception("Provide collection with items");
    this.sort();
    return this[this.length - 1];
  }
}

extension ListCollection<T extends num> on List<T> {
  T max() {
    if (this.isNullOrEmpty()) throw Exception("Provide collection with items");
    this.sort();
    return this[this.length - 1];
  }
}