How to center without Column

center.dart

import 'package:flutter/material.dart';

main() {
  runApp(
    const MaterialApp(
      home: Scaffold(
        body: Center(
          child: SizedBox(
            height: 50,
            child: DecoratedBox(
              decoration: BoxDecoration(
                color: Colors.blue,
              ),
              child: Padding(
                padding: EdgeInsets.symmetric(horizontal: 50),

                // center this vertically
                // while preserving the width
                // without using Row or Column
                child: IntrinsicWidth(child: Center(child: Text('Foo'))),
              ),
            ),
          ),
        ),
      ),
    ),
  );
}