Dart CLI Configuration for Twitch API Client

import 'dart:io';

void main() {
  // Retrieve the client ID from environment variables or compile-time definitions.
  String clientId = 
      // Use the 'CLIENT_ID' defined at compile time.
      const String.fromEnvironment('CLIENT_ID') ??
      // Fallback to the runtime environment variable.
      Platform.environment['CLIENT_ID'] ??
      'default_client_id'; // Provide a default if none is set.

  // Proceed to use the clientId for API interactions.
  print('Using Client ID: $clientId');
}