code: private VarDef findVarPath( List<VarDef> combinedVars, String varPath)
      {
      int i;
      for( i = 0;
           i < combinedVars.size()
             && !varPath.equals( combinedVars.get(i).getPathName());
           i++);
  
      return
        i < combinedVars.size()
        ? combinedVars.get(i)
        : null;
      }
docs: Returns the member of the given variable list with the given path.