···1919There are two classes of interest: `UpdateLayer` and `Layer`.
20202121`UpdateLayer` is required for all types which are used as a layer
2222-in a network. Having no shape information, this class is agnotostic
2222+in a network. Having no shape information, this class is agnostic
2323to the input and output data of the layer.
24242525An instance of `Layer` on the other hand is required for usage in