-// times of the messages are at most quiet apart, at most window after the
-// first, and the batch has fewer than whatsappBatchMessages messages. The times
-// are the WhatsApp times, so a catch-up after a stop gives the same batches as
-// live messages. A batch also closes when quiet passes after the arrival of its
-// last message, or window after the arrival of its first message, in real time.
+// times of the messages are at most whatsappBatchIdleTimeout apart, at most
+// whatsappBatchTimeout after the first, and the batch has fewer than
+// whatsappBatchMessages messages. The times are the WhatsApp times, so a
+// catch-up after a stop gives the same batches as live messages. A batch also
+// closes when whatsappBatchIdleTimeout passes after the arrival of its last
+// message, or whatsappBatchTimeout after the arrival of its first message, in
+// real time.