static void verifyAccessAllowed(ConfigKey<?> configKey, NodeType nodeType) {
        GlobalConfigAuthorizationPolicy policy = findPolicyFromConfigKey(configKey);
        if (!policy.allowedToAccess.contains(nodeType)) {
            String message = String.format(
                    "Node with type '%s' is not allowed to access global config [%s]",
                    nodeType, configKey);
            throw new AuthorizationException(message);
        }
    }
Specifies which node type that are allowed to access global configuration

@author bjorncs
configserver/src/main/java/com/yahoo/vespa/config/server/rpc/security/GlobalConfigAuthorizationPolicy.java