in src/node/main.ts [223:231]
function createDefaultNlsBundle(folder: string): NlsBundle {
let metaData: MetaDataFile = readJsonFileSync(path.join(folder, 'nls.metadata.json'));
let result: NlsBundle = Object.create(null);
for (let module in metaData) {
let entry = metaData[module];
result[module] = entry.messages;
}
return result;
}