private static @Nullable String getLineCommentPlaceholderText(@NotNull Commenter commenter, @NotNull String replacement) {
    final String prefix = commenter.getLineCommentPrefix();

    if (prefix == null) return null;

    return getCommentPlaceholder(prefix, null, null, replacement);
  }
private static @Nullable String getLineCommentPlaceholderText(@NotNull Commenter commenter, @NotNull String replacement)