module Grape::Extensions::ActiveSupport::HashWithIndifferentAccess::ParamBuilder

def build_params
  ::ActiveSupport::HashWithIndifferentAccess.new(rack_params).tap do |params|
    params.deep_merge!(grape_routing_args) if env.key?(Grape::Env::GRAPE_ROUTING_ARGS)
  end
end

def params_builder
  Grape::Extensions::ActiveSupport::HashWithIndifferentAccess::ParamBuilder
end