e amount of time the replication manager, running at a client
            site, waits for some message activity on the connection from the
            master (heartbeats or other messages) before concluding that the
            connection has been lost. When 0 (the default), no monitoring is
            performed.
            </div></td></tr><tr data="public;declared;notNetfw;"><td><img src="../icons/pubproperty.gif" title="Public property" /></td><td><a href="P_BerkeleyDB_DatabaseEnvironment_RepHeartbeatSe