# `Nx.TemplateBackend`
[🔗](https://github.com/elixir-nx/nx/blob/v0.12.0/nx/lib/nx/template_backend.ex#L1)

An opaque backend written that is used as template
to declare the type, shape, and names of tensors to
be expected in the future.

It doesn't perform any operation, it always raises.

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*Consult [api-reference.md](api-reference.md) for complete listing*