extension StringNullableExtensions on String? {
  bool toBoolean() {
    if (this == null) return false;
    return this!.toLowerCase() == 'true';
  }

  bool isNullOrEmpty() {
    if (this == null) return true;
    if (this == '') return true;
    return false;
  }
}

extension StringExtensions on String {
  bool toBoolean() {
    return this.toLowerCase() == 'true';
  }
}

extension StringExtension on String? {}