@NotNull
  private static String createIfString(@NotNull String condition,
                                       @NotNull String thenBranch,
                                       @Nullable String elseBranch) {
    final String elsePart = elseBranch != null ? "\n " + PsiKeyword.ELSE + " " + elseBranch : "";
    return PsiKeyword.IF + " (" + condition + ")\n" + thenBranch + elsePart;
  }
@NotNull
  private static String createIfString(@NotNull String condition,
                                       @NotNull String thenBranch,
                                       @Nullable String elseBranch)