This module is part of the visjs project
- https://github.com/almende/vis/blob/master/lib/DataSet.js
- https://github.com/almende/vis/blob/master/lib/DataView.js
- https://github.com/almende/vis/blob/master/lib/Queue.js
Copyright (C) 2010-2019 Almende B.V. and Contributors
Vis.js is dual licensed under both
- The Apache 2.0 License http://www.apache.org/licenses/LICENSE-2.0
and
- The MIT License http://opensource.org/licenses/MIT
Vis.js may be distributed under either license.