public int getHold() {
        return hold;
    }
Specifies the maximum number of requests the connection manager is allowed to keep waiting at
any one time during the session. (For example, if a constrained client is unable to keep open
more than two HTTP connections to the same HTTP server simultaneously, then it SHOULD specify
a value of "1".)

@return the maximum number of simultaneous waiting requests
xmppserver/src/main/java/org/jivesoftware/openfire/http/HttpSession.java