message: Fix error with exports
diff: // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
  // TypeScript Version: 2.3
  -declare namespace PptxGenJS {
  +export as namespace PptxGenJS;
  +
  const version: string;
  export type ChartType = "AREA" | "BAR" | "BUBBLE" | "DOUGHNUT" | "LINE" | "PIE" | "RADAR" | "SCATTER";
  export type JsZipOutputType = "arraybuffer" | "base64" | "binarystring" | "blob" | "nodebuffer" | "uint8array";
  @@ -92,7 +93,5 @@ declare namespace PptxGenJS {
  // Export
  save(exportFileName: string, callbackFunction?: Function, zipOutputType?: JsZipOutputType): void;
  }
  -}
  -export import * from PptxGenJS;
  -export default PptxGenJS.PptxGenJS;
  +export default PptxGenJS;
  