public ObjectGroupListReferenceFND(FileNodeHeader header, IFileChunkReference fileChunkReference, ExtendedGuid objectGroupId) : base(header)
 {
     this.fileChunkReference = fileChunkReference;
     ObjectGroupID           = objectGroupId;
 }
 public ObjectSpaceManifestListReferenceFND(FileNodeHeader header, IFileChunkReference fileChunkReference, ExtendedGuid gosid)
     : base(header)
 {
     this.fileChunkReference = fileChunkReference;
     this.gosid = gosid;
 }