# `Dialyxir.Warnings.UnknownType`
[🔗](https://github.com/jeremyjh/dialyxir/blob/1.4.8/lib/dialyxir/warnings/unknown_type.ex#L1)

Spec references a missing @type.

## Example

    defmodule Missing do
    end

    defmodule Example do
      @spec ok(Missing.t()) :: :ok
      def ok(_) do
        :ok
      end
    end

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