errors: List[Any]
    background_tasks: Optional[StarletteBackgroundTasks]
    response: Response
    dependency_cache: Dict[Tuple[Callable[..., Any], Tuple[str]], Any]


async def solve_dependencies(
    *,
    request: Union[Request, WebSocket],
    dependant: Dependant,
    body: Optional[Union[Dict[str, Any], FormData]] = None,
    background_tasks: Optional[StarletteBackgroundTasks] = None,

from fastapi.dependencies.utils import (
    _should_embed_body_fields,
    get_body_field,
    get_dependant,
    get_flat_dependant,
    get_parameterless_sub_dependant,
    get_typed_return_annotation,
    solve_dependencies,
)
from fastapi.encoders import jsonable_encoder
from fastapi.exceptions import (
    FastAPIError,
    RequestValidationError,
    ResponseValidationError,
    WebSocketRequestValidationError,
)

* ♻️ Refactor and simplify internal data from `solve_dependencies()` using dataclasses. PR [#12100](https://github.com/fastapi/fastapi/pull/12100) by [@tiangolo](https://github.com/tiangolo).