public URI getJWKSEndpoint() throws GuacamoleException {
        return environment.getRequiredProperty(OPENID_JWKS_ENDPOINT);
    }
Returns the endpoint (URI) of the JWKS service which defines how
received ID tokens (JWTs) shall be validated, as configured with
guacamole.properties.

@return
    The endpoint (URI) of the JWKS service which defines how received ID
    tokens (JWTs) shall be validated, as configured with
    guacamole.properties.

@throws GuacamoleException
    If guacamole.properties cannot be parsed, or if the JWKS endpoint
    property is missing.
extensions/guacamole-auth-sso/modules/guacamole-auth-sso-openid/src/main/java/org/apache/guacamole/auth/openid/conf/ConfigurationService.java