export interface ApnsConfig {
    /**
     * A collection of APNs headers. Header values must be strings.
     */
    headers?: {
        [key: string]: string;
    };
    /**
     * An APNs payload to be included in the message.
     */
    payload?: ApnsPayload;
    /**
     * Options for features provided by the FCM SDK for iOS.
     */
    fcmOptions?: ApnsFcmOptions;
}

"message":{
    "token": "<fcm_token:test>",
    "apns":{
      "live_activity_token": "<live_activity_push_to_start_token>",
      "headers":{
        "apns-priority": "10"
      },
      "payload":{
        "aps": {
          "timestamp": <timestamp>,
          "event": "start",
          "content-state": {
            "demo": 1
          },
          "attributes-type": "DemoAttributes",
          "attributes": {
            "demoAttribute": 1,
          },
          "alert": {
            "title": "test title",
            "body": "test body"
          }
        }
      }
    }
  }