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 public onUploadSuccess(event: any): void {
    // console.log(event[0].name);

    this.fileName = event[0].name;
    console.log(this.fileName);


    if (typeof (FileReader) !== 'undefined') {
      let reader = new FileReader();
      reader.onload = (e: any) => {
        const fileName = event[0].name;
        this.pdfUpload.emit({pdf: e.target.result, fileName});
      };
      reader.readAsArrayBuffer(event[0]);
    }


  }