private @NotNull MultiMap<String, GitRepository> groupTrackedBranchesByName() {
    MultiMap<String, GitRepository> trackedBranchNames = MultiMap.create();
    for (GitRepository repository : myTrackedBranches.keySet()) {
      GitRemoteBranch trackedBranch = myTrackedBranches.get(repository);
      if (trackedBranch != null) {
        trackedBranchNames.putValue(trackedBranch.getNameForLocalOperations(), repository);
      }
    }
    return trackedBranchNames;
  }
private @NotNull MultiMap<String, GitRepository> groupTrackedBranchesByName()