Called once after a transaction successfully completes. It
will be called even if a read or write error happened earlier.
This is a terminal callback, which means that the HTTPTransaction
object that gives this call will be invalid after this function
completes.
Called once after a transaction successfully completes. It will be called even if a read or write error happened earlier. This is a terminal callback, which means that the HTTPTransaction object that gives this call will be invalid after this function completes.