#vulnerable code 
                              public List<INPUT> getSortedDependenciesOf(List<INPUT> roots) {
    Preconditions.checkArgument(inputs.containsAll(roots));
    Set<INPUT> included = Sets.newHashSet();
    Deque<INPUT> worklist = new ArrayDeque<INPUT>(roots);
    while (!worklist.isEmpty()) {
      INPUT current = worklist.pop();
      if (included.add(current)) {
        for (String req : current.getRequires()) {
          INPUT dep = provideMap.get(req);
          if (dep != null) {
            worklist.add(dep);
          }
        }
      }
    }

    ImmutableList.Builder<INPUT> builder = ImmutableList.builder();
    for (INPUT current : sortedList) {
      if (included.contains(current)) {
        builder.add(current);
      }
    }
    return builder.build();
  } 
                            #location 1 
                            #vulnerability type CHECKERS_IMMUTABLE_CAST
#fixed code
                              public List<INPUT> getSortedDependenciesOf(List<INPUT> roots) {
    return getDependenciesOf(roots, true);
  }