* Request that the Driver enter the "corked" mode where outbound packets * are queued instead of immediately sent so that they can be more * efficiently sent out to the network in a batch. * * If the Driver supports this feature, packets may be queued until either * uncork() is called or some internal buffering limit is reached. * * @sa Driver::uncork(), Driver::
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nothing calls this directly
no outgoing calls
no test coverage detected