code: public static IModuleDependencyRefset importModuleDependencyRefset(
              Set<InputStream> refsetFiles) throws ImportException {
  
          Set<ModuleDependencyRow> members = new HashSet<ModuleDependencyRow>();
          for(InputStream refsetFile : refsetFiles) {
              BufferedReader br = null;
              try {
                  br = new BufferedReader(new InputStreamReader(refsetFile));
                  String line = br.readLine();
  
                  String[] cols = line.split("[\t]");
                  assert(cols.length >= 6);
  
                  // Test if it is a module dependency refset
                  if (cols.length == 8
                          && cols[6].equals("sourceEffectiveTime")
                          && cols[7].equals("targetEffectiveTime")) {
  
                      while (null != (line = br.readLine())) {
                          cols = line.split("[\t]");
                          boolean active = cols[2].equals("1");
                          ModuleDependencyRow m =
                                  new ModuleDependencyRow(cols[0],
                                          cols[1], active , cols[3], cols[4],
                                          cols[5], cols[6], cols[7]);
                          members.add(m);
                      }
                  } else {
                      throw new ImportException("Malformed module dependency reference set with " + cols.length + " columns "+Arrays.asList(cols));
                  }
              } catch (IOException e) {
                  log.error("Problem reading refset file "+refsetFile, e);
                  throw new ImportException("Problem reading refset file ", e);
              } finally {
                  if(br != null) {
                      try { br.close(); } catch(Exception e) {}
                  }
              }
          }
  
          try {
              return new ModuleDependencyRefset(members, !Boolean.getBoolean("mdrs.ignoreErrors"));
          } catch (ValidationException e) {
              throw new ImportException("Can not continue import with invalid MDRS", e);
          }
      }
docs: Imports a module dependency reference set from a {@link Set} of
  {@link InputStream}s. This method closes the {@link InputStream}s after
  loading the reference sets.
  @param report
  
  @param refsetFiles The input streams.
  @return
  @throws ImportException