"tutorial004": dedent("""
        Create an item with all the information:

        - **name**: each item must have a name
        - **description**: a long description
        - **price**: required
        - **tax**: if the item doesn't have tax, you can omit this
        - **tags**: a set of unique tag strings for this item
    """).strip(),
}

            ),
        ] = True,
        generate_unique_id_function: Annotated[
            Callable[[APIRoute], str],
            Doc(
                """
                Customize the function used to generate unique IDs for the *path
                operations* shown in the generated OpenAPI.

                This is particularly useful when automatically generating clients or
                SDKs for your API.

                    slug = slugify(visible_text_extractor.extract_visible_text(title))
                    if slug in permalinks:
                        # If the slug is already used, append a number to make it unique
                        count = 1
                        original_slug = slug
                        while slug in permalinks:
                            slug = f"{original_slug}_{count}"

            exclude_unset=exclude_unset,
            exclude_defaults=exclude_defaults,
            exclude_none=exclude_none,
        )

    def __hash__(self) -> int:
        # Each ModelField is unique for our purposes, to allow making a dict from
        # ModelField to its JSON Schema.
        return id(self)


def _has_computed_fields(field: ModelField) -> bool: