unsafe extern "C" fn get_duration(
cx: *mut JSContext,
_obj: RawHandleObject,
this: *mut c_void,
args: JSJitGetterCallArgs,
) -> bool
unsafe extern "C" fn get_duration(
cx: *mut JSContext,
_obj: RawHandleObject,
this: *mut c_void,
args: JSJitGetterCallArgs,
) -> bool