class Gzip

def call(env)
  env[:request_headers][ACCEPT_ENCODING] ||= SUPPORTED_ENCODINGS
  @app.call(env).on_complete do |response_env|
    case response_env[:response_headers][CONTENT_ENCODING]
    when 'gzip'
      reset_body(response_env, &method(:uncompress_gzip))
    when 'deflate'
      reset_body(response_env, &method(:inflate))
    when 'br'
      reset_body(response_env, &method(:brotli_inflate))
    end
  end
end