@JsonProperty("token_endpoint")
    public String getTokenEndpoint() {
        return StringUtils.appendIfMissing(issuer, "/").concat(OAuth20Constants.ACCESS_TOKEN_URL);
    }
This is {@link UmaServerDiscoverySettings}.

@author Misagh Moayyed
@since 6.0.0
support/cas-server-support-oauth-uma-core/src/main/java/org/apereo/cas/uma/discovery/UmaServerDiscoverySettings.java