| 123456789101112131415161718 | const cero = require('0http')const { router, server } = cero()router.on('GET', '/json', (req, res) => {  res.setHeader('server', '0http')  res.setHeader('content-type', 'application/json')  res.end(JSON.stringify({ message: 'Hello, World!' }))})router.on('GET', '/plaintext', (req, res) => {  res.setHeader('server', '0http')  res.setHeader('content-type', 'text/plain')  res.end('Hello, World!')})server.listen(8080)
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