public virtual System.Threading.Tasks.Task <Azure.Response <System.Collections.Generic.IReadOnlyList <Azure.Communication.Sms.SmsSendResult> > > SendAsync(string from, System.Collections.Generic.IEnumerable <string> to, string message, Azure.Communication.Sms.SmsSendOptions options = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken))
 {
     throw null;
 }
 public virtual System.Threading.Tasks.Task <Azure.Response <Azure.Communication.Sms.SmsSendResult> > SendAsync(string from, string to, string message, Azure.Communication.Sms.SmsSendOptions options = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken))
 {
     throw null;
 }
 public virtual Azure.AsyncPageable <Azure.Communication.Sms.SmsSendResult> SendAsync(string from, System.Collections.Generic.IEnumerable <string> to, string message, Azure.Communication.Sms.SmsSendOptions options = null, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken))
 {
     throw null;
 }