Liberator.Resource.available_charsets

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

available_charsets(arg1)

View Source (since 1.0)

Specs

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

Returns a list of available content charsets.

By default, only UTF-8 is supported.