public static @NotNull <E extends PsiElement> String getTooltipText(@NotNull Collection<E> elements,
                                                             @NotNull String prefix,
                                                             boolean skipFirstMember,
                                                             @Nullable String actionId) {
    return new GutterTooltipHelper().buildTooltipText(elements, prefix, skipFirstMember, actionId);
  }
public static @NotNull <E extends PsiElement> String getTooltipText(@NotNull Collection<E> elements,
                                                             @NotNull String prefix,
                                                             boolean skipFirstMember,
                                                             @Nullable String actionId)