Liberator.Resource.available_encodings

You're seeing just the callback available_encodings, go back to Liberator.Resource module for more information.
Link to this callback

available_encodings(arg1)

View Source (since 1.0)

Specs

available_encodings(Plug.Conn.t()) :: list()

Returns a list of available response content encodings (AKA compressions).

By default, only identity (no compression) is supported.