@ApiStatus.Experimental
  public static @NotNull PsiElement createListMarker(@NotNull Project project, @NotNull String markerText) {
    final var contents = markerText + " list item";
    final var file = createFile(project, contents);
    return Objects.requireNonNull(file.getFirstChild().getFirstChild().getFirstChild());
  }
@ApiStatus.Experimental
  public static @NotNull PsiElement createListMarker(@NotNull Project project, @NotNull String markerText)