@type t() :: %Relyra.Connection{
  acs_url: binary(),
  algorithm_policy: map() | nil,
  allow_idp_initiated?: boolean(),
  cert_chain: [binary()] | nil,
  clock_skew_seconds: integer() | nil,
  connection_id: binary(),
  display_name: binary() | nil,
  id: binary(),
  idp_certificates: [binary()],
  idp_entity_id: binary(),
  idp_sso_url: binary(),
  mapping_config: map() | nil,
  name_id_format: binary() | nil,
  organization_id: binary() | nil,
  provider_preset: atom() | nil,
  require_signed_assertions?: boolean(),
  require_signed_response?: boolean(),
  sign_authn_requests: boolean(),
  signed_request_encoding: :rfc3986_upper | :adfs_lower | nil,
  sp_entity_id: binary()
}