module HTTPX::Transcoder
  type urlencoded_input = Enumerable[[string, string], untyped]

  module Form
    def self?.encode: (urlencoded_input form) -> Encoder

    class Encoder
      include _Encoder
      include _ToS

      private

      def initialize: (urlencoded_input form) -> untyped

      def normalize_keys: (string, untyped) { (string, untyped) -> void } -> void
    end
  end
end