introspectionEndpointAuthMethodsSupported
@SerialName(value = "introspection_endpoint_auth_methods_supported")
OPTIONAL. JSON array containing a list of client authentication methods supported by this introspection endpoint. The valid client authentication method values are those registered in the IANA "OAuth Token Endpoint Authentication Methods" registry IANA.OAuth.Parameters or those registered in the IANA "OAuth Access Token Types" registry IANA.OAuth.Parameters. (These values are and will remain distinct, due to Section 7.2.) If omitted, the set of supported authentication methods MUST be determined by other means.