protected boolean isAuthenticationMethodSupported(final CallContext callContext, final OAuthRegisteredService registeredService,
                                                      final OAuth20ClientAuthenticationMethods requiredAuthnMethod) {
        return OAuth20Utils.isTokenAuthenticationMethodSupportedFor(callContext, registeredService, requiredAuthnMethod);
    }
Authenticator for client credentials authentication.

@author Jerome Leleu
@since 5.0.0
support/cas-server-support-oauth-core-api/src/main/java/org/apereo/cas/support/oauth/authenticator/OAuth20ClientIdClientSecretAuthenticator.java