internal StandardFieldsHeader(PeFile file, OptionalHeader hdr)
     : base(file)
 {
     this.hdr = hdr;
 }
 internal DataDirectoriesHeader(OptionalHeader hdr)
 {
     this.hdr = hdr;
 }
 internal WindowsSpecificFieldsHeader(PeFile file, OptionalHeader hdr)
     : base(file)
 {
     this.hdr = hdr;
 }