&reference.mysqlnd-qc.functions.mysqlnd-qc-change-handler;
&reference.mysqlnd-qc.functions.mysqlnd-qc-clear-cache;
&reference.mysqlnd-qc.functions.mysqlnd-qc-get-cache-info;
&reference.mysqlnd-qc.functions.mysqlnd-qc-get-core-stats;
&reference.mysqlnd-qc.functions.mysqlnd-qc-get-handler;
&reference.mysqlnd-qc.functions.mysqlnd-qc-get-query-trace-log;
&reference.mysqlnd-qc.functions.mysqlnd-qc-set-user-handlers;