class GdsApi::Search

def initialize(endpoint_url, options = {})
  super
  # The API version provides a simple wrapper around this base class so that we
  # can still access the shared methods present in this class.
  version = options.fetch(:api_version, DEFAULT_API_VERSION)
  api_class = API_VERSIONS[version] || raise(UnknownAPIVersion)
  @api = api_class.new(self)
end