public static @Nullable String getCommentPlaceholder(@NotNull Document document,
                                             @NotNull IElementType commentType,
                                             @NotNull TextRange commentRange) {
    return getCommentPlaceholder(document, commentType, commentRange, "...");
  }
public static @Nullable String getCommentPlaceholder(@NotNull Document document,
                                             @NotNull IElementType commentType,
                                             @NotNull TextRange commentRange)