<?php //getShortDescription.a%253A3%253A%257Bi%253A0%253Bs%253A25%253A%2522App%255CDocument%255CInboundEmail%2522%253Bi%253A1%253Bs%253A7%253A%2522carrier%2522%253Bi%253A2%253Ba%253A0%253A%257B%257D%257D

return [PHP_INT_MAX, 'The originating agency\'s carrier, derived live through the {@see self::$agency} reference
(null when there is no agency, or the agency has no carrier — a deprecated agency). Serialized
as `carrier` on the read + collection groups so the API contract is identical to a stored
carrier; the list pays one agency load per distinct agency (ODM identity map), accepted.'];