public bool Equals(PhoneAuthCredentialWrapper?other)
 {
     if (other is null)
     {
         return(false);
     }
     if (ReferenceEquals(this, other))
     {
         return(true);
     }
     if (GetType() != other.GetType())
     {
         return(false);
     }
     if (ReferenceEquals(_phoneAuthCredential, other._phoneAuthCredential))
     {
         return(true);
     }
     return(_phoneAuthCredential.Equals(other._phoneAuthCredential));
 }