private static @Nullable String getMultilineCommentPlaceholderText(@NotNull Commenter commenter, @NotNull String replacement) {
    final String prefix = commenter.getBlockCommentPrefix();
    final String suffix = commenter.getBlockCommentSuffix();

    if (prefix == null || suffix == null) return null;

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