Removing a query would be a major MMN change.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@
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#define AP_MPMQ_MPM_STATE 13 /* starting, running, stopping */
#define AP_MPMQ_IS_ASYNC 14 /* MPM can process async connections */
#define AP_MPMQ_GENERATION 15 /* MPM generation */
+#define AP_MPMQ_HAS_SERF 16 /* MPM can drive serf internally */
/**
* Query a property of the current MPM.