If true, this parameter causes the modifications in this request and any pending modifications to be applied, asynchronously and as
            soon as possible, regardless of the PreferredMaintenanceWindow setting for the replication group. If false, then changes to
            the nodes in the replication group are applied on the next maintenance reboot, or the next failure reboot, whichever occurs first. Valid
            values: true | false Default: false
 Declaration Syntax
 Declaration Syntax| C# | 
public bool ApplyImmediately { get; set; }