@Override
                public void onComplete(Object response) {
                    reply.complete(response);
                }
Returns the information about the Thrift services being served.

@return a {@link Map} whose key is a service name, which could be an empty string if this service
        is not multiplexed
thrift/thrift0.21/src/main/java/com/linecorp/armeria/server/thrift/ThriftCallService.java