how to set headers in puppeteer code example

Example: puppeteer set header

await page.setRequestInterception(true)	await page.setRequestInterception(true)
		await page.on('request', (req) => {
			if (!req.isNavigationRequest()) {
				req.continue()
				return
			}

			const headers = req.headers()
			headers['Access-Control-Allow-Origins'] = '*'
			headers['Accept'] = 'application/json'
			headers['Accept-Encoding'] = 'gzip, br'
			headers['Content-Type'] = 'application/json'
			headers['Cache-Control'] = 'no-cache'
			headers['User-Agent'] = 'Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:15.0) Gecko/20100101 Firefox/15.0.1'

			req.continue({ ...headers })
		})
		await page.on('request', (req) => {
			if (!req.isNavigationRequest()) {
				req.continue()
				return
			}

			const headers = req.headers()
			headers['Access-Control-Allow-Origins'] = '*'
			headers['Accept'] = 'application/json'
			headers['Accept-Encoding'] = 'gzip, br'
			headers['Content-Type'] = 'application/json'
			headers['Cache-Control'] = 'no-cache'
			headers['User-Agent'] = 'Mozilla/5.0 (X11; Ubuntu; Linux i686; rv:15.0) Gecko/20100101 Firefox/15.0.1'

			req.continue({ ...headers })
		})