Trifolium.API.build_query_params

You're seeing just the function build_query_params, go back to Trifolium.API module for more information.
Link to this function

build_query_params(query_opts \\ [])

Specs

build_query_params(any()) :: %{:token => binary(), optional(any()) => any()}

Builds a query params map, which contains the token used to communicate with Trefle API, along with the keywords which should be passed to Trefle API. Accepts a nested map, which in this case will build the parameters according to the nested rules allowed on Trefle API. Also accepts a list as a possible parameter, stringifying it.