Copyright 2020-2021 TensorDot
Copyright 2018-2019 The sticker contributors
Licensed under the [Apache License, Version
2.0](http://www.apache.org/licenses/LICENSE-2.0) or the [MIT
license](http://opensource.org/licenses/MIT), at your option.
Contributors:
Daniël de Kok <me@danieldk.eu>
Tobias Pütz <tobias.puetz@uni-tuebingen.de>