View Source PlugImageProcessing.Source protocol (plug_image_processing v0.3.0)

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@spec cast(
  struct(),
  map()
) :: struct() | boolean()
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get_image(source, operation_name, config)

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@spec get_image(struct(), String.t(), PlugImageProcessing.Config.t()) ::
  {:ok, PlugImageProcessing.image(), String.t() | nil, String.t()}
  | {:error, atom()}
  | {:redirect, String.t()}