t() :: %Shopify.OAuth.Config{
  headers: Shopify.OAuth.http_headers_t(),
  host: String.t(),
  http_client: module(),
  http_client_opts: any(),
  json_codec: module(),
  path: String.t(),
  port: String.t(),
  protocol: String.t(),
  retry: boolean(),
  retry_opts: Keyword.t(),
  shop: String.t()
}