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kaferikaferi
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Merge pull request #137 from aspose-pdf-cloud/refactored-parser
Refactored Parser use cases
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‎UsesCases/Parser/parserGetFormsAsFDF.js‎

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import { ParserHelper, pdfApi } from "./parserHelper.js";
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import path from 'node:path';
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export {ParseExportFormsAsFDF};
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const ParseExportFormsAsFDF = {
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async export(documentName, outputFDFName, localFolder, remoteFolder) {
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if ( pdfApi ) {
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await ParserHelper.uploadDocument(documentName, localFolder, remoteFolder);
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const fdfPath = path.join(remoteFolder, outputFDFName)
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const response = await pdfApi.putExportFieldsFromPdfToFdfInStorage( documentName, fdfPath, null, remoteFolder );
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if (response.body.code == 200) {
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console.log("ParseExportFormsAsFDF(): Pdf document '" + documentName + "' form fields successfully exported to '" + outputFDFName + "' file!");
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await ParserHelper.downloadResult(outputFDFName, localFolder, remoteFolder, "");
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}
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else
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console.error("ParseExportFormsAsFDF(): Unexpected error!")
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}
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}
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};

‎UsesCases/Parser/parserGetFormsAsXML.js‎

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import { ParserHelper, pdfApi } from "./parserHelper.js";
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import path from 'node:path';
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export {ParseExportFormsAsXML};
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const ParseExportFormsAsXML = {
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async export(documentName, outputXMLName, localFolder, remoteFolder) {
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if ( pdfApi ) {
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await ParserHelper.uploadDocument(documentName, localFolder, remoteFolder);
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const xmlPath = path.join(remoteFolder, outputXMLName)
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const response = await pdfApi.putExportFieldsFromPdfToXmlInStorage( documentName, xmlPath, null, remoteFolder );
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if (response.body.code == 200) {
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console.log("ParseExportFormsAsXML(): Pdf document '" + documentName + "' form fields successfully exported to '" + outputXMLName + "' file!");
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await ParserHelper.downloadResult(outputXMLName, localFolder, remoteFolder, "");
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}
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else
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console.error("ParseExportFormsAsXML(): Unexpected error!")
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}
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}
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};

‎UsesCases/Parser/parserGetImages.js‎

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import { ParserHelper, pdfApi } from "./parserHelper.js";
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import fs from 'node:fs/promises';
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import path from 'node:path';
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export {ParseExportImages};
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const ParseExportImages = {
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async export(documentName, pageNumber, localFolder, remoteFolder) {
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if ( pdfApi ) {
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await ParserHelper.uploadDocument(documentName, localFolder, remoteFolder);
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const response = await pdfApi.getImages( documentName, pageNumber, null, remoteFolder );
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if (response.body.code == 200) {
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response.body.images.list.forEach(async function (image) {
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const responseImage = await pdfApi.getImageExtractAsPng(documentName, image.id, null, null, null, remoteFolder);
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const filePath = path.join(localFolder, image.id + ".png");
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await fs.writeFile(filePath, responseImage.body);
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console.log("Downloaded: " + filePath);
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});
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}
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else
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console.error("ParseExportImages(): Unexpected error!")
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}
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}
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};

‎UsesCases/Parser/parserGetTables.js‎

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import { ParserHelper, pdfApi } from "./parserHelper.js";
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import fs from 'node:fs/promises';
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import path from 'node:path';
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export {ParseExportTables};
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const ParseExportTables = {
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async export(documentName, localFolder, remoteFolder) {
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if ( pdfApi ) {
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await ParserHelper.uploadDocument(documentName, localFolder, remoteFolder);
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const response = await pdfApi.getDocumentTables( documentName, null, remoteFolder );
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if (response.body.code == 200) {
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console.log("ParseExportTables(): Tables successfully extracted!");
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var result = "[\n";
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await Promise.all(
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response.body.tables.list.map(async (table) => {
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const responseTable = await pdfApi.getTable(documentName, table.id, null, remoteFolder)
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.then(function(responseTable){
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result += JSON.stringify(responseTable.body.table) + ",\n\n";
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});
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})
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);
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result += "]";
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const filePath = path.join(localFolder, "parsed_tables_output.json");
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await fs.writeFile(filePath, result);
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console.log("Downloaded: " + filePath);
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}
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else
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console.error("ParseExportTables(): Unexpected error!")
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}
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}
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};

‎UsesCases/Parser/parserGetTextBoxes.js‎

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import { ParserHelper, pdfApi } from "./parserHelper.js";
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import fs from 'node:fs/promises';
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import path from 'node:path';
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export {ParseExportTextBoxes};
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const ParseExportTextBoxes = {
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async export(documentName, localFolder, remoteFolder) {
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if ( pdfApi ) {
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await ParserHelper.uploadDocument(documentName, localFolder, remoteFolder);
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const response = await pdfApi.getDocumentTextBoxFields( documentName, null, remoteFolder );
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if (response.body.code == 200) {
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console.log("ParseExportTextBoxes(): TextBox Fileds successfully extracted!");
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var result = "[\n";
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await Promise.all(
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response.body.fields.list.map(async (textbox) => {
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const responseText = await pdfApi.getTextBoxField(documentName, textbox.fullName, null, remoteFolder)
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.then(function(responseTextBox){
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result += JSON.stringify(responseTextBox.body.field) + ",\n\n";
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});
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})
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);
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result += "]";
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const filePath = path.join(localFolder, "parsed_text_boxes_output.json");
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await fs.writeFile(filePath, result);
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console.log("Downloaded: " + filePath);
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}
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else
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console.error("ParseExportTextBoxes(): Unexpected error!")
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}
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}
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};

‎UsesCases/Parser/parserHelper.js‎

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import credentials from "../../../Credentials/credentials.json" with { type: "json" }; // json-file in this format: { "id": "*****", "key": "*******" }
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import fs from 'node:fs/promises';
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import path from 'node:path';
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import { PdfApi } from "../../src/api/api.js";
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export { configParams, pdfApi, ParserHelper };
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const configParams = {
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LOCAL_FOLDER: "C:\\Samples\\",
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PDF_DOCUMENT_NAME: "sample.pdf",
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REMOTE_FOLDER: 'TempPdfCloud',
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XML_OUTPUT_FILE: "output_sample.xml",
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FDF_OUTPUT_FILE: "output_sample.fdf",
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PAGE_NUMBER: 1,
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};
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const pdfApi = new PdfApi(credentials.id, credentials.key);
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const ParserHelper = {
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async uploadFile (fileName, localFolder, tempFolder) {
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const fileNamePath = path.join(localFolder, fileName);
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const fileData = await fs.readFile(fileNamePath);
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const storagePath = path.join(tempFolder, fileName);
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await pdfApi.uploadFile(storagePath, fileData)
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.then(() => console.log("File: '" + fileName +"' successfully uploaded."));
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},
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async uploadDocument(document, localFolder, tempFolder) {
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await this.uploadFile(document, localFolder, tempFolder)
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},
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async downloadResult(document, localFolder, tempFolder, prefix) {
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const fileName = path.join(tempFolder, document);
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const changedPdfData = await pdfApi.downloadFile(fileName);
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const filePath = path.join(localFolder, prefix + document);
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await fs.writeFile(filePath, changedPdfData.body);
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console.log("Downloaded: " + filePath);
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},
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};

‎UsesCases/Parser/parserLaunch.js‎

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import { configParams } from "./parserHelper.js";
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import { ParseExportFormsAsXML } from "./parserGetFormsAsXML.js"
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import { ParseExportFormsAsFDF } from "./parserGetFormsAsFDF.js";
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import { ParseExportImages } from "./parserGetImages.js";
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import { ParseExportTables } from "./parserGetTables.js";
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import { ParseExportTextBoxes } from "./parserGetTextBoxes.js";
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async function main() {
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try {
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await ParseExportFormsAsXML.export(configParams.PDF_DOCUMENT_NAME, configParams.XML_OUTPUT_FILE, configParams.LOCAL_FOLDER, configParams.REMOTE_FOLDER);
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await ParseExportFormsAsFDF.export(configParams.PDF_DOCUMENT_NAME, configParams.FDF_OUTPUT_FILE, configParams.LOCAL_FOLDER, configParams.REMOTE_FOLDER);
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await ParseExportImages.export(configParams.PDF_DOCUMENT_NAME, configParams.PAGE_NUMBER, configParams.LOCAL_FOLDER, configParams.REMOTE_FOLDER);
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await ParseExportTables.export(configParams.PDF_DOCUMENT_NAME, configParams.LOCAL_FOLDER, configParams.REMOTE_FOLDER);
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await ParseExportTextBoxes.export(configParams.PDF_DOCUMENT_NAME, configParams.LOCAL_FOLDER, configParams.REMOTE_FOLDER);
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} catch (error) {
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console.error("Error:", error.message);
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}
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}
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await main();

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