Register a callback to run when the list of available keys changes. Calls to list that started before an invocation of this handler may return a list that is out of date. A connection can have up to one of these callbacks.
list
Register a callback to run when the list of available keys changes. Calls to
list
that started before an invocation of this handler may return a list that is out of date. A connection can have up to one of these callbacks.