include sig ... endval sexp_of_t : t ‑> Sexplib.Sexp.tval default : tval create : ?color:Import.bool ‑> ?interpret_atom_as_sexp:Import.bool ‑> ?drop_comments:Import.bool ‑> ?new_line_separator:Import.bool ‑> ?custom_data_alignment:Pretty_print_config.data_alignment ‑> Import.unit ‑> t