import inspect
import warnings
from collections.abc import Sequence
from typing import Any, Optional, Union, cast

from fastapi import routing
from fastapi._compat import (
    ModelField,
    Undefined,
    get_compat_model_name_map,
    get_definitions,
    get_schema_from_model_field,
    lenient_issubclass,
)
from fastapi.datastructures import DefaultPlaceholder
from fastapi.dependencies.models import Dependant

    for model in unique_models:
        model_name = normalize_name(model.__name__)
        name_model_map[model_name] = model
    return {v: k for k, v in name_model_map.items()}


def get_compat_model_name_map(fields: list[ModelField]) -> ModelNameMap:
    all_flat_models = set()

    v2_model_fields = [field for field in fields if isinstance(field, ModelField)]