<?php //getShortDescription.a%253A3%253A%257Bi%253A0%253Bs%253A25%253A%2522App%255CDocument%255CInboundEmail%2522%253Bi%253A1%253Bs%253A14%253A%2522gmailMessageId%2522%253Bi%253A2%253Ba%253A0%253A%257B%257D%257D

return [PHP_INT_MAX, 'Gmail API message id — opaque per-mailbox handle used by the live fetcher (M5).'];