graph">De-register a callback that was registered under the given name. If called with no arguments, all handlers will be removed from the event emitter for all names and namespaces. </div></div></div></div></div></div></div></div></div></div></div><script src="/resources/quantum-docs.js"></script><script src="/resources/quantum-changelog.js"></script><script>window.quantum.docs.createHeaderToggle("186D8751B7547EC7C0A1C957EFA1F0D6");</script></body></html>