@impl true
def handle_call(:remove_client, {client_pid, _}, %{key: key} = state) do
{{_conn_pid, used_by, _crf, _last_reference}, _} =
@impl true
def handle_call(:remove_client, {client_pid, _}, %{key: key} = state) do
{{_conn_pid, used_by, _crf, _last_reference}, _} =