operation_ids: set[str] = set()
    all_fields = get_fields_from_routes(list(routes or []) + list(webhooks or []))
    model_name_map = get_compat_model_name_map(all_fields)
    field_mapping, definitions = get_definitions(
        fields=all_fields,
        model_name_map=model_name_map,
        separate_input_output_schemas=separate_input_output_schemas,
    )
    for route in routes or []:

            item_description = cast(str, item_def["description"]).split("\f")[0]
            item_def["description"] = item_description
    new_mapping, new_definitions = _remap_definitions_and_field_mappings(
        model_name_map=model_name_map,
        definitions=definitions,  # type: ignore[arg-type]
        field_mapping=field_mapping,
    )
    return new_mapping, new_definitions


def _replace_refs(
    *,