Function js::jsapi::JS_DefineUCProperty4

pub unsafe extern "C" fn JS_DefineUCProperty4(
    cx: *mut JSContext, 
    obj: HandleObject, 
    name: *const c_ushort, 
    namelen: usize, 
    value: HandleString, 
    attrs: c_uint, 
    getter: JSNative, 
    setter: JSNative
) -> bool