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// Add text to header and footer
import * as fs from "fs";import { Document, Footer, Header, Packer, Paragraph } from "docx";
const doc = new Document({    sections: [        {            headers: {                default: new Header({                    children: [new Paragraph("Header text")],                }),            },            footers: {                default: new Footer({                    children: [new Paragraph("Footer text")],                }),            },            children: [new Paragraph("Hello World")],        },    ],});
Packer.toBuffer(doc).then((buffer) => {    fs.writeFileSync("My Document.docx", buffer);});