Defines dynamic headers for pages and individual groups.
Inheritance: IPageHeader
 /// <summary>
 /// ctor.
 /// </summary>
 /// <param name="pdfReport"></param>
 public DefaultHeaderProviderBuilder(PdfReport pdfReport)
 {
     _pdfReport = pdfReport;
     _defaultHeaderProvider = new DefaultHeaderProvider { PdfFont = _pdfReport.DataBuilder.PdfFont };
 }