Const
The registration this call claimed was not accepted: the slot is released so a later caller retries, and a concurrent waiter resumes in vain (it sends nothing; the next call retries).
The registration brick owns it.
The registration this call claimed was not accepted: the slot is released so a later caller retries, and a concurrent waiter resumes in vain (it sends nothing; the next call retries).
The registration brick owns it.