/******************************************************************************
Author: Joaquín Béjar García
Email: jb@taunais.com
Date: 16/5/25
******************************************************************************/
use crateSubscription;
/// A request to subscribe or unsubscribe from a Lightstreamer data stream.
///
/// This struct is used internally by the LightstreamerClient to manage subscription
/// and unsubscription operations. It contains either a Subscription object for new
/// subscriptions or a subscription ID for unsubscribing from an existing subscription.