pub unsafe extern "C" fn JS_DefineProperty1(
    cx: *mut JSContext,
    obj: Handle<*mut JSObject>,
    name: *const i8,
    getter: Option<unsafe extern "C" fn(_: *mut JSContext, _: u32, _: *mut Value) -> bool>,
    setter: Option<unsafe extern "C" fn(_: *mut JSContext, _: u32, _: *mut Value) -> bool>,
    attrs: u32
) -> bool