borisyankov/DefinitelyTyped — pull request #1580 by kant2002 (2014-01-19 14:56:55+00:00)
Title: Added property for query string parameters

Property qs for SignalR connection could be used to pass additional parameters to new SignalR persistent/hub connections. It is available since 1.0 and is present in 2.0 version of SignalR