xterm.dart/lib/terminal/platform.dart

class PlatformBehavior {
  const PlatformBehavior(
      {required this.oscTerminators, required this.useMacInputBehavior});

  final Set<int> oscTerminators;
  final bool useMacInputBehavior;
}

class PlatformBehaviors {
  static const mac =
      PlatformBehavior(oscTerminators: {0x07, 0x5c}, useMacInputBehavior: true);
  static const unix = PlatformBehavior(
      oscTerminators: {0x07, 0x5c}, useMacInputBehavior: false);
  static const windows = PlatformBehavior(
      oscTerminators: {0x07, 0x00}, useMacInputBehavior: false);
}