private ComboBoxModel createRemoteBranchDropdownModel() {
    final SortedComboBoxModel<GitRemoteBranch> sortedRemoteBranches =
        new SortedComboBoxModel<GitRemoteBranch>(new BranchComparator());

    final GitRepoInfo gitRepoInfo = this.getInfo();

    assert gitRepoInfo != null;
    final GitRemoteBranch remoteTrackingBranch = this.getRemoteTrackingBranch();

    // only show valid remote branches
    sortedRemoteBranches.addAll(
        Collections2.filter(
            gitRepoInfo.getRemoteBranches(),
            new Predicate<GitRemoteBranch>() {
              @Override
              public boolean apply(final GitRemoteBranch remoteBranch) {
                /* two conditions:
                 *   1. remote must be a vso/tfs remote
                 *   2. this isn't the remote tracking branch of current local branch
                 */
                return tfGitRemotes.contains(remoteBranch.getRemote())
                    && !remoteBranch.equals(remoteTrackingBranch);
              }
            }));

    sortedRemoteBranches.setSelectedItem(getDefaultBranch(sortedRemoteBranches.getItems()));

    return sortedRemoteBranches;
  }
 public void setSelectedModule(@Nullable Module module) {
   myModel.setSelectedItem(module);
 }