public static @NotNull @NlsContexts.ColumnName String calcColumnName(boolean isTheirs, @NlsSafe @Nullable String branchName) {
    if (isTheirs) {
      if (branchName != null) {
        return GitBundle.message("merge.tool.column.theirs.with.branch.status", branchName);
      }
      else {
        return GitBundle.message("merge.tool.column.theirs.status");
      }
    }
    else {
      if (branchName != null) {
        return GitBundle.message("merge.tool.column.yours.with.branch.status", branchName);
      }
      else {
        return GitBundle.message("merge.tool.column.yours.status");
      }
    }
  }
public static @NotNull @NlsContexts.ColumnName String calcColumnName(boolean isTheirs, @NlsSafe @Nullable String branchName)