module Grape::DSL::Helpers::BaseHelper

def api_changed(new_api)
  @api = new_api
  process_named_params
end

def params(name, &block)
  @named_params ||= {}
  @named_params[name] = block
end

def process_named_params
  return unless instance_variable_defined?(:@named_params) && @named_params && @named_params.any?
  api.namespace_stackable(:named_params, @named_params)
end