@type t() :: %Sycophant.Config.Provider{
  access_key_id: nil | binary(),
  api_key: nil | binary(),
  api_secret: nil | binary(),
  api_version: nil | binary(),
  base_url: nil | binary(),
  copilot_token: nil | binary(),
  deployment_name: nil | binary(),
  editor_plugin_version: nil | binary(),
  editor_version: nil | binary(),
  github_host: nil | binary(),
  github_token: nil | binary(),
  integration_id: nil | binary(),
  region: nil | binary(),
  secret_access_key: nil | binary()
}