union_args = get_args(field_type)

    for arg in union_args:
        if not lenient_issubclass(arg, BaseModel):
            return False

    return True


def _should_embed_body_fields(fields: list[ModelField]) -> bool:
    if not fields:
        return False
    # More than one dependency could have the same field, it would show up as multiple

    Undefined,
    lenient_issubclass,
)
from fastapi.datastructures import Default, DefaultPlaceholder
from fastapi.dependencies.models import Dependant
from fastapi.dependencies.utils import (
    _should_embed_body_fields,
    get_body_field,
    get_dependant,
    get_flat_dependant,
    get_parameterless_sub_dependant,
    get_stream_item_type,
    get_typed_return_annotation,
    solve_dependencies,
)