export interface NotificationChannel {
  channelId: string;
  name: string;
  importance: -1000 | 0 | 1 | 2 | 3 | 4 | 5;
  description?: string;
  enableLights?: boolean;
  enableVibration?: boolean;
  groupId?: string;
  groupName?: string;
  lightColor?: string;
  showBadge?: boolean;
  soundFile?: string;
  vibrationPattern?: number[];
}