void __cdecl js::SetActivityCallback(struct JSRuntime *, void (__cdecl*)(void *, bool), void *)

Mangled name

?SetActivityCallback@js@@YAXPAUJSRuntime@@P6AXPAX_N@Z1@Z

Exported by

size	filename	version
3378688	mozjs.dll
39919048	xul.dll	45.0