A single genderize result: the prediction fields plus the response :quota.
:quota
:gender is "male", "female", or nil. :country_id is set only when the request sent a country_id.
:gender
"male"
"female"
nil
:country_id
country_id
@type t() :: %Demografix.Genderize{ count: integer(), country_id: String.t() | nil, gender: String.t() | nil, name: String.t(), probability: float(), quota: Demografix.Quota.t() }