code: private void readProjectExtendedAttributes(Project project)
     {
        Project.ExtendedAttributes attributes = project.getExtendedAttributes();
        if (attributes != null)
        {
           for (Project.ExtendedAttributes.ExtendedAttribute ea : attributes.getExtendedAttribute())
           {
              readFieldAlias(ea);
           }
        }
     }
docs: This method extracts project extended attribute data from an MSPDI file.
  
  @param project Root node of the MSPDI file