| spec_version | (optional) string | Version of the SSF specification supported. | [default to undefined] |
| issuer | (optional) string | Base URL of the transmitter (issuer). | [default to undefined] |
| jwks_uri | (optional) string | URL of the transmitter's JSON Web Key Set. | [default to undefined] |
| delivery_methods_supported | (optional) Array<string> | Supported delivery methods (e.g. push URN). | [default to undefined] |
| configuration_endpoint | (optional) string | Endpoint for stream configuration (create, read, update, replace, delete). | [default to undefined] |
| status_endpoint | (optional) string | Endpoint for reading and updating stream status. | [default to undefined] |
| verification_endpoint | (optional) string | Endpoint for receiver verification. | [default to undefined] |
| authorization_schemes | (optional) Array<Authorizationscheme> | Supported authorization schemes (e.g. OAuth2, Bearer). | [default to undefined] |