class Aws::CredentialProviderChain

def providers
  [
    [:static_credentials, {}],
    [:env_credentials, {}],
    [:assume_role_credentials, {}],
    [:shared_credentials, {}],
    [:instance_profile_credentials, {
      retries: 0,
      http_open_timeout: 1,
      http_read_timeout: 1,
    }],
  ]
end