public int sender(long /*int*/[] sender) {
   return COM.VtblCall(10, getAddress(), sender);
 }
 public int proposedCredential(long /*int*/[] result) {
   return COM.VtblCall(8, getAddress(), result);
 }
 public int protectionSpace(long /*int*/[] result) {
   return COM.VtblCall(9, getAddress(), result);
 }
 public int previousFailureCount(int[] result) {
   return COM.VtblCall(7, getAddress(), result);
 }