RFC 9728 Protected Resource Metadata
https://www.rfc-editor.org/rfc/rfc9728.html
Allow additional provider-specific fields
List of authorization servers that can issue tokens for this resource
Methods for providing bearer tokens (typically ['header'])
Protected resource URL
OAuth scopes supported by this resource
RFC 9728 Protected Resource Metadata
See
https://www.rfc-editor.org/rfc/rfc9728.html