message: Removed Buffer
  Removed Buffer to work with Angular
diff: @@ -64,15 +64,15 @@ declare class PptxGenJS {
  /**
  * Export the current Presentation to stream
  - * @returns {Promise<string | ArrayBuffer | Blob | Buffer | Uint8Array>} file stream
  + * @returns {Promise<string | ArrayBuffer | Blob | Uint8Array>} file stream
  */
  - stream(): Promise<string | ArrayBuffer | Blob | Buffer | Uint8Array>
  + stream(): Promise<string | ArrayBuffer | Blob | Uint8Array>
  /**
  * Export the current Presentation as JSZip content with the selected type
  * @param {JSZIP_OUTPUT_TYPE} outputType - 'arraybuffer' | 'base64' | 'binarystring' | 'blob' | 'nodebuffer' | 'uint8array'
  - * @returns {Promise<string | ArrayBuffer | Blob | Buffer | Uint8Array>} file content in selected type
  + * @returns {Promise<string | ArrayBuffer | Blob | Uint8Array>} file content in selected type
  */
  - write(outputType: PptxGenJS.JSZIP_OUTPUT_TYPE): Promise<string | ArrayBuffer | Blob | Buffer | Uint8Array>
  + write(outputType: PptxGenJS.JSZIP_OUTPUT_TYPE): Promise<string | ArrayBuffer | Blob | Uint8Array>
  /**
  * Export the current Presentation. Writes file to local file system if `fs` exists, otherwise, initiates download in browsers
  * @param {string} exportName - file name
  