class Rack::QueryParser

def initialize(params_class, _key_space_limit=(not_deprecated = true; nil), param_depth_limit)
  unless not_deprecated
    warn("`second argument `key_space limit` is deprecated and no longer has an effect. Please call with only two arguments, which will be required in a future version of Rack", uplevel: 1)
  end
  @params_class = params_class
  @param_depth_limit = param_depth_limit
end